A Cure for Insomnia - Story Walkthrough and Guide

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This page is for A Cure for Insomnia, the second Quest of Chapter 14 of Final Fantasy XV (FF15, FFXV). Read on for more information about which sidequests, bosses, and items are available in this chapter!

FFXV A Cure for Insomnia Walkthrough

List of Objectives
1 FFXV_Chapter 14_story walkthrough The party gears up in their royal garb, heading towards the citadel. Eliminate the first party of Eternal Troopers you come across.
2 You'll pass by a battle between monsters and Eternal Troopers. Try to navigate a path where you won't be fighting both of them.
3 Go straight instead for the Ariadne on your way to the quest marker. Pass through the underground train stations on your way to the marker.
4 Prepare for the Lv35 troopers and Salpinx in the subway.
5 When you emerge, there is a Lv42 Behemoth King blocking the path to your goal. Defeat it to move on.
5 FFXV_Ifrit_story walkthrough The battle against Ifrit will be a repeat of the opening sequence, where Noct and the others are trying to fight their way through.
5 FFXV_Shiva defeat_story walkthrough Once you defeat Ifrit, you will receive the Infernian's mark, and Shiva's parting words. Take the elevator up to Ardyn and the throne room once you can move again freely.
5 FFXV_Ardyn_story walkthrough Once you get inside the throne room, confront Ardyn directly. Ardyn will drag you into a battle where the first will be against his strength and swordsplay.
5 FFXV_Final Battle_story walkthrough The next will be against him using his own Armiger, and the last will be a 'war of attrition'.
5 FFXV_Noctis Throne_story walkthrough After the battle, Noct will find himself in the throne room, ready to continue to defeat Ardyn in the Other World.
5 All the past kings of Lucis goes for Noct in the throne room after the battle, as his friends go to battle daemons.
5 FFXV_Lucis Kings_story walkthrough Noct meets Ardyn in the afterlife as he tries to end his evil. Noctis fades in the light, even as Ardyn fades away as well.
5 With this, you've successfully beaten Final Fantasy XV!

Tips and Strategies

This is a list of important things to do in the quest A Cure for Insomnia. Read on to find out which of them is crucial to proceeding.

  • Using your summons to defeat the Behemoth King—and any strong enemy—is a good tactic
  • Huge, slow-moving enemies are susceptible to quick damage from moving around. Use this to avoid damage.
  • When the opportunity presents itself for yet another summon during battle, do so.

List of items


List of Items:

Mega Phoenix
Mythril Shaft
Imperial Medal of Honor
Imperial Medal of Honor

Boss Battles and Monsters


List of Appearing Monsters/Enemies:

Behemoth King
Eternal Trooper

Appearing Bosses

Ardyn Izunia

  • Has his own version of Royal Arms
  • Battle consists of a three-stage brawl
  • The key is to be quick with your reflexes

Final Fantasy XV Related Links

Previous Quest Current Quest Next Quest
World of Ruin A Cure for Insomnia
Chapter XIV
World of Ruin
A Cure for Insomnia


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