Caustic WavesSpell ID 1292403 · Icon ID 5764925Blizzard API · 12.1.0.69814Description withheld: source contains unresolved client tokens
BOSS 8 OF 8 · Three phases · eggs · collapsing platforms
Ula'tek
The great shame of the Amani empire. The vast complex of Altal'Utek was created to imprison the weapon that proved to be as much of a threat as the enemy she was intended to destroy. Ula'tek has risen from her ancient slumber and threatens all of Azeroth if she should escape.
Bloodlust: first exposed HeartNPC portrait not verified
Third-party strategy draftEncounter identity and localization are verified against Journal DB2 for 12.1.0.69814. Assignments, timings, arena plan, and difficulty deltas remain source_tracked and are not verified.
VERIFIED IDENTITIES
Encounter Journal overview abilities
Names, spell IDs, and matching icons are verified. 2 of 7 abilities have bilingual descriptions without unresolved client tokens in build 12.1.0.69814; other descriptions, all mechanic tags, and execution instructions remain withheld pending verification.
Caustic WavesSpell ID 1292403 · Icon ID 5764925Blizzard API · 12.1.0.69814Description withheld: source contains unresolved client tokens
Putrid MembraneSpell ID 1301268 · Icon ID 236549Blizzard API · 12.1.0.69814Description withheld: source contains unresolved client tokens
Spectral CoilsSpell ID 1287265 · Icon ID 3528295Blizzard API · 12.1.0.69814Description withheld: source contains unresolved client tokens
Rage of the ShackledSpell ID 1286860 · Icon ID 7966624Wago CASC · 12.1.0.69814Description withheld: source contains unresolved client tokens
Writhing GestationSpell ID 1290990 · Icon ID 538440Blizzard API · 12.1.0.69814The Doomscale Warden transforms nearby Blightscale Spawn into a Blightscale Clutch that hatches after 20 sec.
Call of the SerpentSpell ID 1300751 · Icon ID 8125100Wago CASC · 12.1.0.69814Ula'tek roars, shaking her children from the ceiling and causing them to fall.
Circling PreySpell ID 1301510 · Icon ID 7500005Wago CASC · 12.1.0.69814Description withheld: source contains unresolved client tokensVERIFIED STRUCTURE
Encounter Journal phase headings
Journal DB2 for 12.1.0.69814 explicitly labels 4 sections. Only titles and order are verified; timing, descriptions, and mechanics are not inferred from the section tree.
- 01Stage One: Fury of the Serpent MotherJournal Section ID 35561 · stage · 12.1.0.69814
- 02Stage Two: Children of the DoomscaleJournal Section ID 36171 · stage · 12.1.0.69814
- 03Intermission: The ShatteringJournal Section ID 36320 · intermission · 12.1.0.69814
- 04Stage Three: Ula'tek's AscensionJournal Section ID 36323 · stage · 12.1.0.69814
ENCOUNTER PLAN
Choose difficulty
H
Heroic
Two teams own the entire fight
- Each Phase 1 Coil belongs to one assigned team.
- Alternate intermission slams 1/3/5 and 2/4/6; Phase 3 uses melee, ranged and healer Bite groups.
ASSIGNMENTS
Mechanics by role
Tanks
- One tank must remain in melee range of Ula’tek and one in range of her tail.
- After Mother’s Wrath, return to the red pool; swap during Caustic Waves.
Healers
- Cover paired tether breaks and every Spectral Coils soak.
- In Phase 3, anchor the healer Serpent’s Bite group in the middle.
Damage
- Carry every egg into Spectral Coils; never let a wave touch it.
- Prioritize Wardens, Weakened Doomscales and Shriekers; interrupt Anguished Cry and Vicious Echoes.
SEQUENCE
Timeline
- P1Eggs and wavesCarry eggs into Coils; dodge alternating Caustic Waves.
- HEARTRage of the ShackledBloodlust before the 20-second double-damage Heart window.
- P2Two outer corridorsKill Wardens, break tethers in pairs, deliver small eggs then the large egg.
- INTSix alternating slamsTeams soak 1/3/5 and 2/4/6; leave the center before shatter.
- P3Four-platform rotationSoak three Bite groups, spread Purge, move left before Circling Prey.
Markers show mechanic order; exact timing shifts with group damage.
ARENA PLAN
Positioning
BOSST1T2GROUP AGROUP B××→→
Pre-split into two equal teams. In Phase 3, melee stay on Ula’tek while ranged and healers take the platform immediately counter-clockwise; all groups rotate left before each break.
RECOMMENDED
Composition
2TANKS5HEALERS13DPS
Safer for progression; split healing 2/3 across corridors.
VERIFIED REWARD BAND
Encounter item levels
| Difficulty | ilvl | Track |
|---|---|---|
| Raid Finder | 289 | Veteran |
| Normal | 302 | Champion |
| Heroic | 315 | Hero |
| Mythic | 344 | Myth |
Encounter tier rewardSlumbering Coil Curio
This is a verified item-level band, not an item list. Loot rows are withheld until their canonical itemId, encounter source, difficulty, upgrade track, and chanceStatus are verified. The exact drop chance has not been published.
Source · verified 2026-09-14