MThe C'Thraxxi freed by Ula'tek's fall: a fixed 109s add-wave loop with Lady Liadrin at your side, then a 63s Eightfold Eclipse burn from 25%.
What this page is
The Wowutils plan for Kith'ix: Guide for how to approach Cooldown Planning, and the jobs covered in the assignment planner. It is assumed that you already know the basics of the fight. For full boss guides, see the links in Full mechanics.
It covers
- CD Planning and Personal Defensives
- The Wowutils Assignments
- Raid-night quick reference
It skips
- Basic boss strategy
- Tank/Dps stuff
- The stuff other guides already cover
Kith'ix runs a fixed 1:49 loop with Lady Liadrin at your side, then a short burn from 25%. Each loop opens with an aqir wave whose beetle pops are the heaviest healing of the fight, and closes with a 44 second storm whose fear screams are the raid DR moment. Kills reach Stage Two around 4:15, during the third wave, and end around 5:00, well before the eighth eclipse.
- 1Beetle wave (0:05): Voidswarm pulses the raid as the aqir land, then the Bomber Beetles are popped one at a time from 0:13 with Voidweave ticking under them.
- 2Extinguish and screams (0:37 and 0:43): Extinguish lands as the wave ends, then the first fear set screams outside the storm. Both heal through without raid cooldowns.
- 3Storm (0:57 to 1:41): Suffocating Darkness ticks for 44 seconds. Extinguish lands again at 1:19, and the second fear set screams at 1:30, a second after Abyssal Grasp.
- 4Repeat (1:54) repeats: The loop restarts 1:49 after the first wave, and the second storm hits harder than the first.
- 5Stage Two (4:15): At 25% the raid is stunned and fully healed, then eclipses hit the raid until the kill, around 5:00.
Voidswarm and the beetle pops after it are the densest raid damage of the fight, at 0:05 and again at 1:54. Raid healing cooldowns go here, every wave.
The fear set inside each storm, at 1:30 and 3:19, lands a second after Abyssal Grasp on a raid the storm is already draining. Stack raid DR and personals here.
Waves at 0:05, 1:54 and 3:43. Stage Two starts around 4:15 and the eclipses run about 45 seconds to the kill, so cooldowns held from the third wave are spent there.
Personal defensives
Ability timeline
Your Cooldown Plan
Kith'ix opens every loop by pulsing Shadow damage on the whole raid for 6 seconds while the aqir wave spawns. The beetle pops follow straight after with Voidweave under them, and together they make the fight's heaviest healing window.
Waves land at 0:05, 1:54 and 3:43, 1:49 apart.
- 2 minute cooldowns: 0:05, then 2:05 in the second wave's pops, then Stage Two.
- 90 second cooldowns: every wave.
- 3 minute cooldowns: the first wave, then Stage Two.
The second wave is the heavier one, so a cooldown that can only cover one wave belongs there. On a kill Stage Two starts before the third wave's beetles pop, so that wave is lighter and anything held from it carries into the eclipses.
Each Bomber Beetle that reaches a player, or runs out its timer, bursts and coats the whole raid in a stacking 4 second acid. The raid pops them one at a time from 0:13 and 2:02, three in the first wave and four in the second, about every 5 seconds. These pops are the largest share of Stage One healing.
Each pop stacks onto the acid of the last, so the window peaks a few pops in, not at Voidswarm. Lead on Voidswarm and the first pop, then keep a cooldown or two for the back half of the string. Coverage that lasts beats stacking everything at the start.
Personals go in the back half of each string, where the stacks peak, so the healing cooldowns are not carrying everyone alone.
Marks a healer, a melee and a ranged player, who turn into Overwhelming Fear 6 seconds later. Each fear, dispelled or expired, screams for raidwide damage that falls off with distance, so they are dispelled one at a time, away from the raid. Four sets in Stage One: 0:43 and 2:32 outside the storm, 1:30 and 3:19 inside it.
Inside the storm the screams land on a raid already ticking down, a second after Abyssal Grasp ties up healing on several players, so DR carries this moment instead of healing. Press it just before the fears land; the screams spread over a few seconds as the dispels go out. The sets outside the storm heal through without cooldowns.
- 90 second DR: both storm sets, then the late eclipses.
- 2 and 3 minute DR: 1:30 and Stage Two, or the 3:19 set alone.
The 3:19 set sits in the heavier storm, so it takes the bigger share when you have the choice.
At 100 energy Kith'ix calls a storm that closes in and ticks Shadow damage on everyone every second for 44 seconds, until Liadrin's Divine Radiance clears it. Her barrier slows it, so the raid holds close to her; anyone caught in it is pacified and slowed. Eclipse Fragments drift toward Liadrin through it and are caught by players, who take a stacking dot. Each storm ticks harder than the last.
At 25% Stygian Howl stuns the raid, then Liadrin's Last Light fully heals everyone and boosts their healing for the rest of the fight. From 4:17 an eclipse hits the whole raid every 8.6 seconds, and the raid wipes on the eighth, at 5:18. Kills land around 5:00, after the fifth or sixth.
A Shadow shockwave on the whole raid at the end of a long cast, at 0:37 and 1:19, then 2:26 and 3:08. Light's Embrace from Liadrin's motes takes most of it and the hit strips it; a player without it takes the full hit.
With Light's Embrace up the raid heals through it. The one to watch is 2:26, right behind the second wave's pops: anyone low there wants a personal. Movement cooldowns in the back half of each wave, into the cast, help the raid reach the motes in time.
Miss the motes and the full hit is survivable only behind a strong personal on full health. Late soakers should press it before the cast ends.
Other boss mechanics
VoidweaveRaid DOTVoidweavers channel Shadow on random players from the wave's spawn until they die, ticking under the beetle pops and carrying the third wave on their own.
Abyssal GraspHealing AbsorbTendrils grab several players and absorb their incoming healing; heal it off within 8 seconds or they are dragged into the darkness. Twice per storm, at 1:02 and 1:29, then 2:51 and 3:18; the second lands a second before the fear screams.
Null GateDebuffs, MovementThroughout Stage Two a few players at a time are focused, and 5 seconds later a gate tears open where they stand and throws out shards. Gates and shards stack Nullify, which kills at its cap, so focused players take the gate away from the raid and everyone dodges the shards. Nullify stacks are what kill players in Stage Two.
The jobs we settle on for Kith'ix, and the reasoning behind each. Slot players on the planner; this page is the why.
Unspeakable Horrors lands on three players every wave, always one melee, one ranged and one healer. Dispels trigger raid damage, so stagger them to spread the damage.
Dispel the healer the moment it becomes dispellable. Dispel the melee when healthy. Dispel the ranged when safe, or let it run out.
Assign one dispeller per row.
We deliberately don't re-teach the pull here. For first-timers, exact add pathing, and the complete ability list, these cover it better than we would.
A mechanics video for this boss is coming soon.
Hand-picked sources for this boss are coming soon.