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How to Beat Demise the Destroyer | The Adventures of Elliot: The Millennium Tales

How to Beat Demise the Destroyer | The Adventures of Elliot: The Millennium Tales

Last Updated: July 9, 2026 at 10:56 AM
Table of Contents

Demise the Destroyer Summary

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Time Period
Age of Safekeeping
Difficulty Level
★★★★★★★★★

Related Quest
Mount Phoenix

How to Defeat Demise the Destroyer Walkthrough

This boss fight has two phases

  • Phase 1

[1] Aim the Phoenix Fire Towards Demise the Destroyer

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The first phase of this boss is a simple chase sequence. Elliot will control the Phoenix while Faie directs the Phoenix Fire. Aim at the glowing stomach to deal damage. Enemies will sometimes spawn so dispatch them quickly!

  • Phase 2

[1] Target the Glowing Stomach

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The second phase of the fight is where things get intense as Demise the Destroyer has three health bars. Its weakspot is the glowing stomach protected by a shield. When the shield is up, focus your attacks on its claws. Use bombs for maximum area of effect damage!

[2] Use Faie's Copy Ability

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Faie's Copy Ability maximizes your damage output so use it as much as you can.

[3] Exercise Caution

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Demise the Destroyer's attacks are wide enough to cover most of the stage so sprint or guard accordingly. As you wittle down its health, Demise the Destroyer becomes more aggressive and will deal more damage so be wary.

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Its most dangerous attack is when it charges up a sphere of energy that fires lasers at you while growing at the same time. This attack shows up when Demise the Destroyer is down to its final health bar. You can avoid it by destroying the sphere before it grows!

[4] Request for A Revive

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Should you die during the second phase of the boss fight, request for a revival to trigger an emotional cutscene. You will be granted with continuous healing and limitless total guard. This will help you turn the tides against Demise the Destroyer!

Demise the Destroyer Location

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To start the boss fight against Demise the Destroyer, show your resolve by jumping into the maw of Mount Phoenix.

Demise the Destroyer Rewards

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Defeating Demise the Destroyer unlocks the true ending.

Age of Safekeeping Interactive Map

AoS-map

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List of All Bosses

Main Story Bosses

Dungeon

List of All Main Story Walkthroughs

main-story