Fate Grand Order - Kara no Kyoukai Guide: 5th Floor, 4th Room Walkthrough

Guide to the 5th Floor, 4th Room Quest during the Kara no Kyoukai Event in FGO. Learn how to quickly whittle your enemy down when using this guide!

5th Floor, 4th Room Walkthrough

Upon defeating the tenant in Room 404, Shiki, the protagonist, and Mash finally come across the fifth floor, 4th room (Room 504). Once they getthere, they discover that the energy there is the strongest and that the culprit is hiding behind the door. Mephistopheles eggs them on to go inside as Shiki, Mash, and the protagonist prepare for battle. Upon entering the room, they find themselves facing the evil side of Mephistopheles who says that he was the true culprit the whole time. Much to the annoyance of Shiki, she then decides to finish him off and to allow the servants to go home.

Room 504

Information
AP Cost 20 Bond Point 515
EXP 10190 QP 5400
Tendency Assassin/ Caster First Reward Ryougi Shiki x 1

Enemies

Enemy Information
Battle 1/3
Apartment Ghost
(Lvl 23/ Assassin/ 6311 HP)
Apartment Ghost
(Lvl 22/ Assassin/ 6043 HP)
Apartment Ghost
(Lvl 23/ Assassin/ 6311 HP)
Battle 2/3
Mephistopheles
(Lvl 45/ Caster/ 39,338 HP)
Apartment Ghost
(Lvl 25/ Assassin/ 6847 HP)
Apartment Ghost
(Lvl 25/ Assassin/ 6847 HP)
Battle 3/3
Hell of the Great Void (Lvl 18/ Assassin/ 150480 HP)

Drops/Rewards

Drop Item Information
Ascension Skill Reinforce
Caster Piece/ Caster Monument
Ascension &
Skill Reinforce
Other
Ghost Lantern Strawberry Ice Cream

Tips:

  • Don’t be deceived by the fact that a Rider class servant is required for the 5th floor, 4th room quest. I can assure you; you will suffer big time if you do that. Instead, bring two Caster class servants – especially one that can remove debuffs. So Medea, now’s your time to shine.
  • If you have the Combat Chaldea Uniform, you can also stow away Medea for the mean time until you get to the last part of the 5th Floor, 4th Room quest.
  • The first two waves of the 5th Floor, 4th Room quest aren’t too bad. Just bash through the ghosts with a single Caster class servant. You can either shatter them with raw power by bringing in offensive Caster type servants like Cu Chulainn Caster. Or, super over-powered support Casters like Zhuge Liang and Tamamo no Mae can do the job. Actually, bringing Zhuge Liang will definitely help if you have Medea later on. Just keep fueling her NP Gauge to keep her spamming her Rule Breaker.
  • While Mephistopheles can get really annoying and it’s really tempting to throw your Noble Phantasm at him, don’t. It isn’t worth it. If you have that single Rider class servant, you can use either maybe Medusa or  Francis Drake.
  • When you reach the final wave, spam Medea‘s Noble Phantasm if you can and finish off the 5th Floor, 4th Room quest.

FGO Kara no Kyoukai Collaboration Event Guide

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