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Raid Setup
Introduction
Welcome to our Mythic Chimaerus Boss Guide, for The Dreamrift Raid. Learn about the Mythic specific fight mechanics and the strategy we recommend to defeat this boss on Mythic difficulty!
This guide focuses on a Mythic strategy, and won’t explain the basics of the fight, so make sure you read through the Heroic version of the guide for this boss if you are unfamiliar with the encounter.
Fight Style: Single target boss with heavy add pressure and frequent target swaps
Recommended Setup: 2x Tank / 4x Healer / 14x DPS
Required utilities: None
Hero/Lust usage: On Pull
Addons: Northern Sky Raid Tools
Easy Mode
General:
- Mythic is basically Heroic, but you must play structured because of Dissonance and Rift Madness.
- Set up markers and treat Red and Green as both swap spots and a hard border. Do not cross sides unless the swap is happening.
- If you have two Warlocks, use one gate per side to avoid the knock-up from Alndust Upheaval and keep add positioning clean.
Rift Madness and Dissonance:
- Rift Madness targets 2 spirit realm players, always 1 healer and 1 DPS.
- Healer goes Green, DPS goes Red.
- Normal realm soakers swap with them by soaking, ideally 1 healer and 1 DPS.
- Do not premove soakers onto markers, Dissonance will punish you. Wait until the targets are horrified and lifted, then soak.
Phase 1 Basics:
- Spirit group kills big add first, stacks small adds, kicks Fearsome Cry.
- Normal realm kills any add the moment it becomes targetable. Do not let anything reach the boss.
- Stack for Consume, it hurts.
Before Intermission:
- On Mythic there is an extra Alndust Upheaval right before intermission. Soak it. No gate needed.
Intermission:
- Bait the first Corrupted Devastation in the middle, then move to your side.
- Each set spawns 2 Haunting Essence per realm and Fearsome Cry is much faster.
- Priority is Haunting Essence. Kick Fearsome Cry, grip them onto the big add if possible.
- Curse of Tongues is great here.
- Do 3 sets, kill everything before Ravenous Dive or you wipe.
After Intermission:
- If the boss is 35% or lower before the next Upheaval, only send the tank down and burn the boss.
- If the boss is above 35%, the group goes down again like normal, but be ready for a Haunting Essence in the spirit realm and kick it instantly.
Miasma Dispels:
- In Phase 1, focus on fast dispels to keep people alive. Don’t over-stress perfect puddle clears, intermission will mess the middle up anyway.
Mechanics
Players in the spirit realm deal heavy damage to players outside the spirit realm if they are within 8 yards of each other.
This forces the raid to split to different sides so the two realm groups are not standing on top of each other.
Two players in the spirit realm, always one healer and one DPS, get affected by Rift Madness.
After a few seconds they become horrified and start taking heavy damage every second. The damage ramps up in intensity every 3 seconds.
To deal with this, players in the normal realm need to soak the affected players. Doing so swaps realms with them.
Strategy
Most of this fight still plays like Heroic, but two Mythic mechanics, Dissonance and Rift Madness, force you to be way more structured. If you try to freestyle movement, you’ll just randomly blow up your raid by having the two realm groups collide.
Markers and Room Rules
First, place markers like this:
We’re going to treat Green and Red as both Rift Madness swap spots, and also as a room divider. People from the opposite side should not cross that line unless you are specifically doing the swap mechanic, because Dissonance will punish you the second the realms overlap.
If you have two Warlocks, place two gates like shown and have each group use the gate on their side.
The idea is simple. You gate as soon as Alndust Upheaval hits you, to avoid the knock-up and instantly reposition. Tanks then keep the add pack in the area you land at after the gate.
Tips for Consuming Miasma Dispels
During Phase 1, you don’t have to sweat perfect dispels on top of puddles. The middle of the room gets contaminated during intermission anyway, so it’s usually better to just dispel fast during Phase 1 to keep people alive, then do the cleaner puddle control during intermission when the raid is already moving and resetting space.
For players that get the dispel just before doing a Alndust Upheaval, it can be better to wait until they go into the other realm before you dispel them. Otherwise they might run out, get dispelled, but then can’t make it back in time to go down, putting that group a player less for the duration of that phase.
Phase 1 Flow and Rift Madness Swaps
Just like Heroic, the first group soaks the first Alndust Upheaval and goes down to the spirit realm.
You do the same “big add first, small adds stacked” priority, and upstairs players still kill whatever becomes targetable before it can reach the boss. This matters even more on Mythic, because even one add reaching the boss can quickly end the pull.
While the spirit group is fighting adds, Rift Madness will go out. It always targets two players in the spirit realm, one healer and one DPS.
Have the targeted healer go to the Green marker and the targeted DPS go to the Red marker.
Now someone from the normal realm needs to soak each of them to swap realms. Ideally, you also use one healer and one DPS for the swap, so you don’t grief the healing lineup.
Important Dissonance rule: You cannot premove the normal realm soakers onto those markers early, because players in the spirit realm deal heavy damage to outside players if they get within 8 yards of each other. This only stops once the Rift Madness targets become horrified and lifted.
So the timing is:
- Rift Madness targets move to their markers
- Everyone else stays on their side and does not cross the border
- Once the targets are horrified and lifted, the outside soakers move in, soak, and swap
After the swap, just play with your new group until the raid naturally ends up balanced again. Once things are stable and you don’t need swaps anymore, everyone returns to their original side.
Consume and Group Two
Consume hurts on Mythic. Stack up for it and make sure healers have something rolling.
After the first Consume, Group 2 goes down and you do the exact same thing, just mirrored on your side of the room. Same rules, same Rift Madness handling, same “do not cross the border unless the swap is happening”.
Extra Upheaval Before Intermission
On Mythic, right before the boss flies away into intermission, you get one extra Alndust Upheaval that needs to be soaked. This is what sets up the intermission being split into two realms as well.
You do not need to use the Warlock gate for this one.
Intermission
Once groups are split, you want to bait the first Corrupted Devastation in the middle of the room. This makes the intermission way more stable, because you aren’t instantly forced into awkward movement with bad angles.
Get close to the markers, and as soon as the breath animation appears, move back to your assigned side.
This is also the hardest part of the encounter, and the reason is Haunting Essence.
Each realm gets two Haunting Essence per Corrupted Devastation set, and Fearsome Cry has a much faster cast time on Mythic. Miss a kick and it's a wipe!
The clean way to handle it:
- Ranged players kick the far Haunting Essence
- If you have grips, instantly grip them onto the Colossal Horror so everything can be cleaved
- Priority target is Haunting Essence, everything else dies from cleave
It is recommended not to waste kicks and stuns on Essence Bolt, because it’s not the dangerous cast. The dangerous cast is Fearsome Cry.
A really good quality-of-life trick here is Curse of Tongues from a Warlock. Slowing Fearsome Cry cast time makes it much easier to recover if someone is late on a kick.
You repeat this for three Corrupted Devastation sets and you must have everything dead before Ravenous Dive, otherwise you wipe when the boss consumes remaining adds.
After that, you go back to Phase 1.
After Intermission: Kill Timing Scenarios
Once you’re back in Phase 1, what you do next depends on boss HP.
Scenario 1: Boss is 35% or lower before the next Alndust Upheaval
Only send the tank down and keep everyone else on the boss.
Adds in the spirit realm do not interact with players upstairs, so as long as you can kill the boss before the next Consume finishes, you’re fine.
Scenario 2: Boss is above 35% before the next Alndust Upheaval
Group 1 goes down again and you play the phase normally, with one extra problem.
You now also get a Haunting Essence in the spirit realm. You can see where it will spawn as soon as the boss casts Rift Emergence, even before you go down. Use that to your advantage, because you want to grip and kick it instantly when the group drops.
After Group 1 finishes and Consume happens again, use the same HP rule above to decide whether you send more people down or just finish the boss.
