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Darkheart Thicket, Healer Guide

Updated 1 year, 1 month ago for patch 7.3.5 and Timewalking by Preston. View the change log.

This page covers healer-focused strategies for the Darkheart Thicket dungeon in Legion. 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 tweet @PrestonDvorak.

This guide has been updated and maintained based on my own experiences as well as Dungeon Journal and combat log information. I'll continue to update it as-needed.

 Bosses

Below are guides for the bosses in Darkheart Thicket, including their abilities, healer notes, and addon settings.

Archdruid Glaidalis Dungeon Journal Model Archdruid Glaidalis

  • Don't stand in front to avoid Primal Rampage.
  • Avoid the impact locations of Nightfall, which spawns a Nightmare Abomination.
  • Targets a random player with Grievous Leap, dealing moderate damage, before leaping back to the tank and dealing moderate damage.
    • Both the targeted player and the tank will be affected by Grievous Tear, taking light damage over time until healed above 90% health.

 Healing Notes

 Debuffs to Track
 Addons

Legion Dungeon DBM Import Code for Healers - +

To use this import code, install the Deadly Boss Mods addon, type /dbm in your chat, expand the Legion header in the left-hand panel, click on the Dungeons (Legion) heading, click on the Load AddOn button in the right-hand panel if necessary, click on the Import Profile button, paste the code into the box and click Import. Note that importing this code will replace all of your current settings for all Legion dungeons.

Oakheart Dungeon Journal Model Oakheart

  • Don't stand in front to avoid Nightmare Breath.
  • The tank will be dealing with the moderate damage over time from Crushing Grip.
    • When the effect expires, the tank is thrown to a random player, dealing moderate damage to all players within 5-yards.
  • Avoid the locations of Strangling Roots. Players hit are rooted in place and take light damage over time.
  • During Uproot, a Vilethorn Sapling is summoned near each player.
  • Deals light damage to all players and knocks them back with Shattered Earth.

 Healing Notes

 Debuffs to Track
 Addons

Legion Dungeon DBM Import Code for Healers - +

To use this import code, install the Deadly Boss Mods addon, type /dbm in your chat, expand the Legion header in the left-hand panel, click on the Dungeons (Legion) heading, click on the Load AddOn button in the right-hand panel if necessary, click on the Import Profile button, paste the code into the box and click Import. Note that importing this code will replace all of your current settings for all Legion dungeons.

Dresaron Dungeon Journal Model Dresaron

  • Avoid the Corrupted Dragon Eggs scattered at the edges of the room. Stepping on an Egg spawns a Hatespawn Whelpling.
  • Don't stand in front to avoid Breath of Corruption. Players hit have their armor reduced.
  • During Earthshaking Roar, avoid the impact locations of Falling Rocks.
  • During Down Draft, run against the push effect to avoid being pushed into Corrupted Dragon Eggs.

 Healing Notes

  • Use cooldowns as-needed during Earthshaking Roar, or if Hatespawn Whelplings get out of control.
 Debuffs to Track
 Addons

Legion Dungeon DBM Import Code for Healers - +

To use this import code, install the Deadly Boss Mods addon, type /dbm in your chat, expand the Legion header in the left-hand panel, click on the Dungeons (Legion) heading, click on the Load AddOn button in the right-hand panel if necessary, click on the Import Profile button, paste the code into the box and click Import. Note that importing this code will replace all of your current settings for all Legion dungeons.

Shade of Xavius Dungeon Journal Model Shade of Xavius

 Healing Notes

  • Keep players near full health to ensure they can survive all the random sources of damage throughout the encounter.
  • Use cooldowns on Apocalyptic Nightmare.
 Debuffs to Track
 Addons

Legion Dungeon DBM Import Code for Healers - +

To use this import code, install the Deadly Boss Mods addon, type /dbm in your chat, expand the Legion header in the left-hand panel, click on the Dungeons (Legion) heading, click on the Load AddOn button in the right-hand panel if necessary, click on the Import Profile button, paste the code into the box and click Import. Note that importing this code will replace all of your current settings for all Legion dungeons.

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 Trash Mobs

Below are notes for the trash mobs in Darkheart Thicket. Darkheart Thicket has a relatively linear layout. The trash below is ordered as if you're completing the bosses in the order they're listed above.

Entrance thru Archdruid Glaidalis

  • Frenzied Nightclaw
    • Leaps to random players and applies Grievous Rip/Frantic Rip, dealing light damage over time until the affected player is healing above 90% health.
  • Deadsoul Poisoner
  • Mindshattered Screecher
  • Festerhide Grizzly
  • Dreadsoul Ruiner
    • Interrupt or dispel Despair (magic) to remove the reduced healing taken effect.
    • Avoid the impact locations of Star Shower.
  • Crazed Razorbeak
    • Don't stand in front when it turns to cast Propelling Charge. Players hit are stunned.

Archdruid Glaidalis thru Oakheart

Oakheart thru Dresaron

  • Avoid the Corrupted Dragon Eggs scattered along the edge of the pathway. Stepping on an Egg spawns a Hatespawn Whelpling.
  • Hatespawn Slime
    • Upon death, stay more than 5-yards away to avoid Dreadburst.
  • Bloodtainted Fury
    • Don't stand in front to avoid Blood Assault.
    • Avoid the impact locations of Blood Bomb.
    • Upon death, splits into four Bloodtainted Bursters with Dispersion.
      • Bloodtainted Burster
        • Interrupt Bloodbolt to prevent the healing and light damage dealt.

Dresaron thru Shade of Xavius

  • Taintheart Summoner
    • Interrupt Shadow Bolt to prevent the light damage dealt to random players.
    • When affected by Curse of Isolation (dispel, curse), move at least 6-yards away from other players before it expires or is dispelled to avoid chaining the damage dealt.
  • Dreadfire Imp
    • Interrupt Dread Inferno or stay more than 8-yards way to avoid the light damage.
    • When possible, interrupt Firebolt to prevent the light damage dealt to random players.
  • Taintheart Stalker
    • Deals light damage to two random players with Dark Hunt.
  • Tormented Bloodseeker
  • Taintheart Deadeye
    • Dispel Scorching Shot (magic) to prevent the light damage over time.

 Trash Debuffs to Track

 Trash Addons

Legion Dungeon DBM Import Code for Healers - +

To use this import code, install the Deadly Boss Mods addon, type /dbm in your chat, expand the Legion header in the left-hand panel, click on the Dungeons (Legion) heading, click on the Load AddOn button in the right-hand panel if necessary, click on the Import Profile button, paste the code into the box and click Import. Note that importing this code will replace all of your current settings for all Legion dungeons.

 Mythic+ Notes

Below are notes that pertain to high mythic+ levels and certain affixes. What constitutes a high mythic+ level will depend on your gear and group, so if you out-gear a particular mythic+ level these notes may not apply. The notes are grouped by affix but are in no particular order.

  • Tyrannical
    • Shade of Xavius
      • Players affected by Feed on the Weak will need an external defensive cooldown to survive.
  • Fortified
    • Festerhide Grizzly
    • Tormented Bloodseeker
      • The tank may need external defensive cooldowns while fighting these, due to their high melee damage.
  • Sanguine
    • Taintheart Summoner
      • Can be difficult to move due to their preference for casting spells. Be ready with knock backs and interrupts.
  • Bolstering
    • Several enemies should probably be killed first, or carefully killed at the same time as other enemies.
      • Festerhide Grizzly
      • Bloodtainted Fury
  • Raging
    • Festerhide Grizzly
    • Tormented Bloodseeker
      • Should be dispelled quickly due to their high melee damage.

Comment on Darkheart Thicket, Healer Guide

Changelog - View the last ten changes. - +

April 14, 2022 - 1:07 pm (Healer) - Updated Curse of Isolation spell ID.

December 13, 2021 - 3:00 am (Healer) - Added Frantic Rip to Frenzied Nightclaws and Tormenting Fear to Nightmare Dwellers.