The Final Problem

The Final Problem

Story Episodes

"Wait!"

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The Final Problem is the Story Dungeon of Intervallo IV: Timekilling Time, and the third Dungeon to be tied to an event.

Overview

The Final Problem essentially works like a one-floor Mirror Dungeon with an event node that grants a starting 600 Cost, a Shop node, 7 nodes, a second Shop node, a Rest node, and then the final boss node vs The Time Ripper.

Enemies

Encounters in The Final Problem comprise of enemies encountered throughout the rest of Intervallo IV-1. Specifically

• Aggressive Yurodivy and Quick-witted Yurodivy
• T Corp. Class 2 Collection Staff and T Corp. Class 3 Collector - Neutralize

The final node always consists of a battle with The Time Ripper.

E.G.O Gifts

Regular E.G.O Gifts

Almost all E.G.O gifts found in Mirror of the Wuthering are available here. The only gifts that do not appear are those exclusive to certain Theme Packs. However, any gifts with abnormality events have their related events inaccessible in the dungeon, as the only events that can be encountered are for the Unique E.G.O Gifts below.

Unique E.G.O Gifts

There are 5 Random Abnormality Encounters exclusive to the The Final Problem, available from event nodes with a total of 11 unique E.G.O Gifts that can be obtained.

Gift	Description	Event
Silver Watch Case	When dealing damage to an enemy with Attack Skills(except E.G.O Skills) that inflict Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or Unique Tremor, deal +10% more damage. If the Skill triggered Tremor Burst Tremor BurstRaise target's Stagger Threshold by Tremor Potency on target on the enemy for the first time this turn, inflict +2 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Count next turn (once per turn)	Factory Laborer
Faded Watch Case	When Clashing with a faster enemy, Clash Power +1. When dealing damage to a faster enemy, inflict 3 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency and +2 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Count next turn. (once per turn)	Factory Laborer
Warning Notice	Turn End: Inflict 1 Bind BindSpeed -X for this turn. to the fastest enemy next turn. (for Abnormalities, a Part) If the target has Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). or 'Unique Tremor', inflict 2 Bind BindSpeed -X for this turn. instead. When an ally attacks targets with Bind BindSpeed -X for this turn., deal +(5 + (2.5 x Bind BindSpeed -X for this turn. value)) more damage. (max 15%)	Factory Laborer
Etched Clock Hands	First Turn Start of a wave: inflict (9 - current Speed) Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency to 3 enemies with the slowest Speed. (min. 3) Deal +10% more damage against targets with 12+ Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). or 'Unique Tremor' at Turn Start.	Streets of T Corp.
Rusted Clock Hands	First Turn Start of a wave: inflict (9 - current Speed) Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency (min. 3) and (9 - current Speed)/2 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Count to 1 enemy with the fastest Speed. (rounded up; for Abnormalities, a Part) Take -10% less damage from targets with 12+ Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). or 'Unique Tremor' at Turn Start.	Streets of T Corp.
Chalice of Trickle-down	When an ally with Attack Skills(except E.G.O Skills) that inflict Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor' wins a Clash, inflict 2 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency and +2 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Count. (2 times per turn) Yurodivy Identities: inflict 3 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency and +3 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Count instead (3 times per turn) If the affected Identity Clashes against targets with higher Offense Levels, Clash Power +2; deal +20% more damage when attacking after winning the Clash.	Yurodiviye Hideout
Prepaid Time Receipt	Deal +(5 + (2.5 x Speed difference))% more damage against faster enemies with 2+ Speed difference. (max 15%) Turn End: If an ally dealt damage with an Attack Skill (except E.G.O Skills) this turn against faster enemies with 2+ Speed difference, inflict 2 Bind BindSpeed -X for this turn. and 1 Power Down Power DownSkill Final Power -X for this turn. to the enemy next turn. (once per turn)	The Timekilling Scene
Pocket Watch : Type L	Encounter Start: This Gift activates when 5 or more Identities have Attack Skills that apply Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor' effects. (except E.G.O Skills, only counts Identities on the field at Encounter Start) To allies' Skill 3s that inflict Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor': Coin Power +2 and deal +25% more damage. When an ally that inflicts Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor' triggers Amplitude Conversion Amplitude ConversionConverts Tremor or already converted Tremor on target to a different type of Tremor. Potency and Count values do not change over the conversion. on an enemy with Attack Skills(Including E.G.O Skills): multiply the Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency and Count by 1.5(only when actually Converting them into different 'Tremor' types) and inflict 5 Defense Level Down Defense Level DownDefense Level -X for this turn. next turn. (once per turn) First Turn Start of a wave: inflict (12 - current Speed) Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency (min. 6) to 3 enemies with the slowest Speed.	Fuse E.G.O Gifts: Silver Watch Case, and Etched Clock Hands
Pocket Watch : Type E	Encounter Start: This Gift activates when 5 or more Identities have Attack Skills that apply Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor' effects. (except E.G.O Skills, only counts Identities on the field at Encounter Start) To allies' Skill 3s that inflict Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor': Coin Power +2 and deal +25% more damage. When an ally that inflicts Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor' deals damage to a slower enemy with 2+ Speed difference between them: deal +(Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency on target, max 25)% more damage and inflict 2 Defense Level Down Defense Level DownDefense Level -X for this turn. every time the ally deals damage (max 6) First Turn Start of a wave: inflict (12 - current Speed) Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency (min. 6) and (12 -current Speed)/2 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Count to 1 enemy with the fastest Speed. (rounded up; for Abnormalities, a Part)	Fuse E.G.O Gifts: Silver Watch Case, and Rusted Clock Hands
Pocket Watch : Type Y	Encounter Start: This Gift activates when 5 or more Identities have Attack Skills that apply Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor' effects. (except E.G.O Skills, only counts Identities on the field at Encounter Start) To allies' Skill 3s that inflict Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor': Coin Power +2 and deal +25% more damage. Yurodivy Identities: Skill 3 gains Coin Power +2 and deal +(25 + (sum of Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency and Count on target))% more damage instead. (max 100%) Yurodivy Identities: gain +3 Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Count at Turn Start.	Fuse E.G.O Gifts: Faded Watch Case, and Etched Clock Hands
Pocket Watch : Type P	Encounter Start: This Gift activates when 5 or more Identities have Attack Skills that apply Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor' effects. (except E.G.O Skills, only counts Identities on the field at Encounter Start) To allies' Skill 3s that inflict Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor': Coin Power +2 and deal +25% more damage. When an ally that inflicts Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency, Count, or 'Unique Tremor' Clashes against a faster enemy with 2+ Speed difference: Clash Power +2 and deal +(Tremor TremorWhen hit by attacks that trigger Tremor Burst, raise the Stagger Threshold by X. Lasts Y turn(s). Potency on target)% more damage. (max 50%) Turn Start: from slowest to fastest, the 3 slowest allies gain 5 Offense Level Up Offense Level UpOffense Level +X for this turn., 3 Offense Level Up Offense Level UpOffense Level +X for this turn., and 2 Offense Level Up Offense Level UpOffense Level +X for this turn. respectively.	Fuse E.G.O Gifts: Faded Watch Case, and Rusted Clock Hands

Fusion Exclusive Gifts

There are four gifts that are exclusively available through fusion. Their recipes are listed below:

Fused Gifts		Result
Silver Watch Case	Etched Clock Hands	Pocket Watch : Type L
Silver Watch Case	Rusted Clock Hands	Pocket Watch : Type E
Faded Watch Case	Etched Clock Hands	Pocket Watch : Type Y
Faded Watch Case	Rusted Clock Hands	Pocket Watch : Type P

Dungeon Events

The first node of the dungeon is guaranteed to be the following node.

Before Entry

Before Entry

---

You enter the Dungeon of the Fathoms. It resembles a T Corp. street.

Past the crowds of busy passers-by, you notice the glowing vending machine nearby.

With the streets completely devoid of color...

... the vending machine's light seems to resonate much more vibrantly with your heart.

Follow the light. We're *this* close to unveiling the truth of the Timekilling Time. We don't exactly know how this case will end... ... but we decided to forge on, the brilliance our guiding light. Gain 600 Cost.

The Unique E.G.O Gifts can be obtained from five new Dungeon Events unique to The Final Problem. There are also four gifts that can be exclusively acquired via Fusion.

Factory Laborer

Factory Laborer

---

Just another busy, busy watch factory.

"!@#$!#$#!$@#$!$#@$."

A man in shiny dress shoes and a clean set of suit, clearly the factory's owner, is shouting at his employees in dirty, oil-gunked work clothes.

Something seems to catch his eye, causing him to glare at one of the employees and scream with anger.

The employee, who is already occupied with his work, gets flustered and tries to say something. But it takes him ages to even open his mouth.

The owner pulls out a recorder in a frustrated attempt to communicate, but it doesn't help.

"I just checked the security camera. You've been napping for two whole hours! Explain yourself."

"F… … … a… … …"

"… … c… … … t…"

"Can't you speak any faster, man?!"

Maybe there's something around here to resolve this situation?",

Take a look around the factory. Gluttony & Pride Advantage check. Pass to gain a Tremor E.G.O Gift Who will help? Gluttony / Pride Advantage: ≥ 12 No Advantage: ≥ 24 Check Passed "After looking around and thinking for a moment, [Sinner] noticed that the factory's machine was running at a high speed. [Sinner] says that, two hours of sleep might bring undue burden on other employees... and may even have had negative effects on the factory's production lines. "You have a keen eye for problems." "Did you all hear that? Stop making excuses and get back to work." The factory owner glares at the employee, who was slowly descending the stairs, before handing something over to us. "I was going to give this out as a reward for good performance to an employee of mine, but I don't suppose I shall now. Here, you can have this." E.G.O Gift Silver Watch Case Earned! Check Failed [Sinner] expressed confusion that no one, including the employee, seemed to notice that the employee was sleeping for two whole hours. "Tsk tsk. This reflects negatively on our factory's image." "You're fired. Get out." Something felt off, but it was too late. The employee very slowly fell to their knees, tears welling in their eyes, but the factory owner did not even bat an eye before turning around and leaving the room. We were left alone with the employee's slow, excruciating wailing. The selected Sinner lost 15 SP

Take a closer look at the factory owner and the employee. Gloom & Sloth Advantage check. Pass to gain a Tremor E.G.O Gift Who will help? Gluttony / Pride Advantage: ≥ 12 No Advantage: ≥ 24 Check Passed [Sinner] paced between the two of them for a while, before coming to a realization that the lengths of their days were completely different. In the eyes of the factory owner, who lives eighty-hour days, it may have looked as though the employee slept for two straight hours. But for the employee, who only lives six-hour days, it must have been a mere nine-minute nap. [Sinner] relays this information. "Hm. How many hours do you work in a day?" "F...i...v...e... H...o...u...r...s..." "Hm, yes. That sounds about right. I'll let this one slide, but be careful not to make the same mistake twice." With that, the owner walked past the employee. The employee very slowly bowed at us in gratitude before leaving something in our hands. E.G.O Gift Faded Watch Case Earned! Check Failed [Sinner] expressed that the employee lives shorter days than the owner. "And why would that be any of my business?" "Nine minutes, two hours, it makes no difference. You still decided to sleep in the middle of a workday. You're fired." Something was wrong—but it was too late. The employee very slowly fell to their knees, tears welling in their eyes, but the factory owner did not even bat an eye before turning around and leaving the room. We were left alone with the employee's slow, excruciating wailing. The selected Sinner lost 15 SP

T Corp. Tax Collection

T Corp. Tax Collection

---

You find yourself at a random T Corp. street. A Collection Staff is collecting taxes from a citizen.

"Will you be making your payments in time, or in cash?"

"Like I said, we already paid our Time Taxes in full! Besides, three-hundred-million Ahn? That's absurd...!"

"The records state that you have accrued additional Time Tax responsibilities due to the donation gift tax."

"No way. Is this because I gave away my time to those kids in the Backstreets?"

"I only gave them three hundred hours, so how the hell does that suddenly snowball into a three-hundred-million Ahn in taxes?! That doesn't make any sense!"

"Tax calculations in T Corp. are always exceptionally accurate."

The Time Collector strides toward the citizen to neutralize them.

Talk to them. Gloom & Sloth Advantage check. Pass to gain a Keywordless E.G.O Gift. Who will speak? Gloom / Sloth Advantage: ≥ 12 No Advantage: ≥ 24 Check Passed [Sinner] claims that there is something wrong with their calculation. The other Sinners chime in to say that they should probably get that amount verified. One of them notes that, conveniently, there is a Collections Office nearby. The whispering crowd begins to grow around the commotion, and the Time Collector eventually gives in. "Looks like you're not carrying a timepiece." "I would stay out of trouble if I were you." Clearly annoyed by the obstruction, the Time Collector grumbled about something and left; but not before taping something to the Sinner's clothes. E.G.O Gift Warning Notice Earned! Check Failed [Sinner] claims that there is something wrong with their calculation. The other Sinners chime in to say that they should probably get that amount verified. One of them notes that, conveniently, there is a Collections Office nearby. The whispering crowd begins to grow around the commotion. "Looks like you're not carrying a timepiece." "Not only that, you are also disturbing the peace of our good citizenry. I will have to collect your taxes." The selected Sinner lost 15 SP 50 Cost lost

Walk away. Looks like he'll have to defend himself somehow at the Collections Office. It's not like you can change anything by stepping in. ... You suddenly come to a realization that this is the kind of thought that transformed T Corp. to a place like this. You whip around and try to intervene... ... But the Time Collector had already extracted time from the citizen, slowing him to a crawl. Nothing Happened.

Streets of T Corp.

Streets of T Corp.

---

People from all walks of life, all with different hours to spend in a given day, speak and move about in varying speeds.

The sound coming from this odd inequality fills the street with incongruence.

Two people catch your attention in that chaos.

A rich-looking youth, despite his apparent time affluence, is walking in a brisk pace toward the streets...

... and a poor-looking old man, despite his apparent time poverty, is slowly walking into an alley with a leisurely look on his face.

Who to follow?

Follow the youth. Pride & Gluttony Advantage check. Pass to gain a Tremor E.G.O Gift. Who will step up? Pride / Gluttony Advantage: ≥ 13 No Advantage: ≥ 26 Check Passed After barely managing to catch up to the youth, [Sinner] asks them what's gotten them in such a hurry. The youth keeps glancing at his watch, clearly impatient about even waiting for [Sinner]'s question to finish. He keeps pacing from one location to another. "I have to work fast so I can make more time!" "That factory owner there? I'm sure he's got ten more hours in his life than I do!" [Sinner] leans in and asks the youth: "What are you going to use all that time for?" "With more time, I can use that time to work longer hours! Agh, I'm late! Gotta run, bye!" The youth hurriedly runs into the building. We never did find out what he really wanted to do with all that time. Looks like he dropped something in his hurry... But he's already too far gone to give it back. E.G.O Gift Rusted Clock Hands Earned! Check Failed You couldn't catch up to the youth. Oh well. Nothing happened.

Follow the old man. Sloth & Lust Advantage check. Pass to gain a Tremor E.G.O Gift. Who will step up? Sloth / Lust Advantage: ≥ 13 No Advantage: ≥ 26 Check Passed You ask the old man: "How can you smile like that when it's clear that you have such little time?" The old man smiles gently before writing something down on a paper. 'Life is not a matter of how much time we have.' 'What truly matters is how we use the time that is given to us.' 'How can I make any other face but a smile when, at this moment, I am afforded leisure in such a hurrying world?' The old man slowly turns around and walks away. Looks like he left something behind. You look up to return the item to the old man... but he's already gone. E.G.O Gift Etched Clock Hands Earned! Check Failed You ask the old man: "How can you smile like that when it's clear that you have such little time?" The old man smiles gently before writing something down on a paper. We don't have time for this nonsense. You hurry on your path, leaving the old man behind. Nothing happened.

Don't follow anyone. They're just two people minding their own business, spending their own time as they see fit. Why go after them? Let's just spend our time as we see fit. You continue down the street, your head brimming with thoughts of time inequality. Nothing Happened.

Yurodiviye Hideout

Yurodiviye Hideout

---

A secret hideout of the Yurodiviye. A Yurodivy is fervently reciting the texts given to them by the Saint.

"We have become nothing but cogs in a machine that exists solely for the industrialists, the bourgeoisie, and the Wings."

"What else, what other human relation remains among the Citizens but the narrow self-interest and heartless bonds created by capital?

"Thus, we shall cast aside the cold, unfeeling metal we call coin; instead, we shall trade our warmth with one another based on our needs!"

"To the haves, the laws of the Nests are shields that protect their privileges; yet, to the have-nots, they are chains that shackle us!"

"Then we shall defy the laws of the Nest! We shall show them the wrath of the have-nots!"

"All that the Yurodiviye have to lose is our chains; all that we have to gain is a world without hunger!"

The Yurodivy suddenly points in our direction.

Looks like we're going to have to say something.

T-the Yurodiviye of the City, Unite! Wrath & Envy & Gluttony Advantage check. Pass to gain a Tremor E.G.O Gift. Who will deliver it? Wrath / Envy / Gluttony Advantage: ≥ 15 No Advantage: ≥ 30 Special Check Identity-Yurodivye Identities Check Value +7 Rodion Check Value +7 Check Passed UNITE! The Yurodivy produces a few bottles of liquor stolen from the rich and pours it over the pile of chalices, all the while shouting the chant. Alcohol overflows the uppermost chalice and spills, filling the other chalices below. E.G.O Gift Chalice of Trickle-down Earned! Check Failed That was a very awkward chant. Everyone suddenly shoots a suspicious look in your direction. You make some bad excuses about having places to be before quickly booking it from the hideout. Nothing Happened.

I like the idea, but there's no way it'll work right. As soon as the Sinner finishes speaking, the room immediately falls cold and silent. The Yurodivy who appears to be their leader points at the door and motions you to leave. You leave the place before something happens. Nothing Happened.

The Timekilling Scene

The Timekilling Scene

---

You see a victim of the Time Ripper.

You can't even touch them thanks to the spatio-temporal displacement superposition phenomenon.

Is there anything you can do here to help?

Try to help. Sloth & Gluttony & Pride Advantage check. Pass to gain a Keywordless E.G.O Gift. Who will speak? Sloth / Gluttony / Pride Advantage: ≥ 13 No Advantage: ≥ 26 Check Passed You've done everything you could, but none of it yielded a meaningful result. They can't move, and you can't physically touch them. But you find a suspicious looking receipt from under the victim's foot. This might be a clue. E.G.O Gift Prepaid Time Receipt Earned! Check Failed You've done everything you could, but none of it yielded a meaningful result. They can't move, and you can't physically touch them. Nothing Happened.

Ignore them and move on. You have to go after the Time Ripper. No time to waste. Nothing Happened.

Trivia

• Despite the name of this Story Dungeon it is the Fathoms of the ego for The Time Ripper.
• The name of the Dungeon is a reference to the Sherlock Holmes story "The Final Problem" by Arthur Conan Doyle. This story is well known for featuring the death of Holmes and was considered for several years to be the final Holmes story.
• The text for the Dungeon Event Yurodiviye Hideout is a reference to, and contains modified excerpts from, The Communist Manifesto.