The Singularity Reactor is a level 60 Trial inFinal Fantasy 14. This Trial marks the final battle of the Heavensward expansion, as the archbishop of the Heavens' Ward takes on the soul of the legendary King Thordan.

With the power of Nidhogg’s Eye, King Thordan won’t go quietly, so it’s up to you to end his iron reign. Below, we’ll take a look at everything you need to know about this fight, including how to deal with each of King Thordan’s attacks and mechanics.

King Thordan before The Singularity Reactor Trial starts in Final Fantasy 14.

This content is outdated, and most mechanics will be easily skipped by a competent party. As such, some of the mechanics detailed belowmay not appear during the course of a normal runof The Singularity Reactor.

How To Unlock The Singularity Reactor

The Singularity Reactor is unlocked through the final quest in the Heavensward expansion,‘Heavensward’. After clearing theAetherochemical Research Facility, this level 60 Trial will be unlocked.

King Thordan Fight Walkthrough

This fight is divided into two main phases, with with a third ‘ending’ phase. Below you can find details on each phase.

Phase 1

During the first phase, King Thordan will use the following attacks and mechanics.

Ascalon’s Mercy

Conal AoE

Deals damage inthree cones to the front of King Thordanthat inflictWindburn, dealing damage over time. Move out of the AoE indicators to avoid this attack.

Lightning Storm

Circle AoEs

Targets several players withcircular AoEs. Spread out toavoid overlapping theseor hitting other players with them.

Meteorain

Immediately after Lightning Storm, severalmore circle AoEswill be created around the arena. Simply move out of the AoE indicators to avoid them.

Knights of the Round

King Thordan in the cutscene before The Singularity Reactor Trial in Final Fantasy 14.

Special

King Thordan will summon some of the Knights Twelve und to perform various attacks.

The Dragon’s Eye

Buff

Grants King Thordan aDamage Up buffand empowers his nextAscalon’s Mercy, causing it to createmore AoEs.

The Dragon’s Gaze

Gaze Attack

Immediately after castingThe Dragon’s Eye, Thordan will useThe Dragon’s Gaze, which deals damage and inflictsTerroron any player looking at the boss when the cast finishes.Turn your back to Thordan before the cast is completeto avoid this debuff.

Thordan will repeat these attacks until he reaches around15 percent health remaining, at which point he will disappear, and phase two will begin.

Phase 2

During phase two, you will have to battle each of the Knights Twelve and deal with each of their mechanics. These follow a set order, as detailed below.

After the Comet and Meteor Circles are destroyed, Thordan and all of the Knights Twelve will appear and castUltimate End, dealing damage to the party. Recover with AoE healing as the fight moves into its final phase.

Phase 3

In this phase, Thordan will gain theDamage Down debuff, and willonly use weak auto attacks. Burst down his last few percent of health, and the fight will be complete.