The Forgotten Experiments, Healer Guide
Updated 3 weeks, 4 days ago for patch 10.1 by Preston. View the change log.
This page covers a healer-focused strategy for The Forgotten Experiments in Aberrus, the Shadowed Crucible in Dragonflight. While it's tailored for healers, other roles may also find the information useful. If you have any suggestions or feedback, you can leave a comment below or contact me.
This guide has been updated and maintained based on my own experiences with the encounter, combat log information, and Dungeon Journal information. I'll continue to update it as-needed.
General Mechanics and Abilities
Normal and Heroic
Durring this encounter, players fight the bosses one at a time in the order they're listed below. When one boss is killed, the next becomes active.
- Neldris
- The tanks will be dealing with extra light damage from and stacks of Infused Strikes, which deals stacking light to moderate damage over time.
- Stacks are cleared when the two affected tanks touch each other. This deals light damage to all players with Infused Explosion.
- Don't stand in front when she turns to cast Massive Slam. Players hit take heavy damage.
- About every 30-seconds, during Bellowing Roar, move as far away from Neldris as possible to reduce the damage taken from Bellowing Roar.
- Targets random players with Rending Charge before charging from one player to the next, dealing moderate damage and applying a stack of Rending Charge to all players hit, dealing stacking light damage over time.
- The tanks will be dealing with extra light damage from and stacks of Infused Strikes, which deals stacking light to moderate damage over time.
- Thadrion
- The tanks will be dealing with extra light damage from and stacks of Infused Strikes, which deals stacking light to moderate damage over time.
- If two players affected by Infused Strikes touch each other, all players take light damage and gain a stack of Infused Explosion, which deals stacking light damage over time.
- When affected by Unstable Essence (dispel, magic), stay more than 12-yards away from other players to avoid chaining the damage dealt when the effect is dispelled. When dispelled, the effect jumps to a new player at one stack.
- On Heroic, this effect persists even after Thadrion is killed.
- On Heroic, when dispelled, this leaves behind an Erratic Remnant.
- Erratic Remnant
- Deals light damage to all players with Erratic Burst.
- Erratic Remnant
- Avoid the impact locations of Volatile Spew. Players hit take moderate damage.
- Every 45-seconds, deals moderate damage over time to all players with Violent Eruption.
- On Heroic, each living Erratic Remnant deals additional light damage over time to all players.
- The tanks will be dealing with extra light damage from and stacks of Infused Strikes, which deals stacking light to moderate damage over time.
- Rionthus
- The tanks will be dealing with extra light damage from and stacks of Infused Strikes, which deals stacking light to moderate damage over time.
- If two players affected by Infused Strikes touch each other, all players take light damage and gain a stack of Infused Explosion, which deals stacking light damage over time.
- Every 45-seconds, during Deep Breath, avoid the path of Rionthus as he flies in a straight line across the room. Players hit take likely fatal damage from Deep Breath.
- Every 45-seconds, in between Deep Breaths, during Temporal Anomaly:
- An anomaly attempts to reach Rionthus. If successful, he gains a large damage absorption shield from Temporal Anomaly.
- Players can touch the anomaly, taking light damage while causing the anomaly to be knocked back.
- When targeted by Disintegrate, stay more than 5-yards away from other players to avoid chaining the light damage dealt from Disintegrate.
- The tanks will be dealing with extra light damage from and stacks of Infused Strikes, which deals stacking light to moderate damage over time.
Mythic Differences
- Neldris
- Rending Charge now lasts for the entire encounter.
- Rionthus
- During Temporal Anomaly:
- Touching the anomaly applies a stack of Temporal Fracture to the player, greatly increasing damage taken from touching the anomaly again while then effect persists.
- During Temporal Anomaly:
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Healing Notes
Quick Notes, All Difficulties
The notes below mostly pertain to progression difficulty, meaning if you out-gear the difficulty you're on or use extra healers they may not apply.
- Use Major Cooldowns on
- Bellowing Roar [occurs every 30-seconds]
- Violent Eruption [occurs every 45-seconds]
- Use Minor Cooldowns
- Pre-heal Before (mainly for heal over time classes)
- Potion of Frozen Focus use
- likely just as Thadrion is killed
- Other things to watch for
- Overall, healing required is generally low, with players affected by debuffs requiring the most focused healing. Violent Eruption has the biggest group-wide healing requirement.
Debuffs to Track
Major
- Unstable Essence (dispel, magic) should be dispelled in a controlled manner, particularly when stacks get too high.
- Infused Strikes causes the tanks to need additional light healing over time.
- Disintegrate causes players to need additional moderate healing over time.
Minor
- Rending Charge causes players to need additional light healing over time.
- Disintegrate can cause players to need additional light healing over time.
Useful Addons
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