This page covers healer-focused strategies for The Underbog dungeon in The Burning Crusade. 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.

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 Bosses

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

Hungarfen

• Stay at least 8-yards away from Underbog Mushrooms to avoid Spore Cloud.
• At 20% health, stay at least 15-yards away from the boss while Foul Spores is active to avoid healing it with Foul Spores.

 Healing Notes

• Healing shouldn't be too difficult as long as everyone is avoiding the Underbog Mushrooms.

 Debuffs to Track

• There are no particular debuffs to track.

 Addons

• Useful addons will be added as soon as possible.

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Ghaz'an

• The tank will be taking extra damage from Thrash.
• Don't stand in front to avoid Acid Breath.
• Don't stand behind to avoid Tail Sweep.
• Deals moderate damage to random players with Acid Spit.
• At 20% health, Enrages, increasing attack speed and physical damage dealt.

 Healing Notes

• Be prepared for the heavy damage dealt to the tank, especially while Enrage is active.

 Debuffs to Track

• Minor: Acid Breath
• Enrages to Soothe: Enrage

 Addons

• Useful addons will be added as soon as possible.

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Swamplord Musel'ek

• The tank will be dealing with the knock back from Knock Away.
• Gains increased dodge change while Deterrence is active, possibly leading to threat generation issues.
• Avoid the location of the Freezing Trap Effect (dispel, magic).
• Deals light damage to swaths of players with Multi-Shot.
• Accompanied by Claw.
  • Claw
    • Stay at least 10-yards away to avoid Echoing Roar.
    • Soothe Enrage to remove the increased physical damage and attack speed effect.
    • Targets random players with Feral Charge, dealing light damage and knocking back.
    • At 20% health, becomes a friendly NPC.

 Healing Notes

• Be prepared for the extra damage dealt to the tank if they're affected by Echoing Roar.

 Debuffs to Track

• Major: Freezing Trap Effect (dispel, magic), Echoing Roar
• Enrages to Soothe: Enrage

 Addons

• Useful addons will be added as soon as possible.

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The Black Stalker

• Stay at least 10-yards away from other players to avoid chaining the damage from Chain Lightning.
• When affected by Static Charge, stay at least 8-yards away from other players to avoid chaining the damage.
• Targets random players with Levitate, suspending them in the air.
  • Affected players can still slowly move and use spells and abilities. Depending how high in the air a player is, they may take fall damage when the effect expires.
• On Heroic, Spore Striders periodically join the encounter.
  • Spore Strider
    • Interrupt Lightning Bolt to prevent the light damage dealt.

 Healing Notes

• Levitate may result in you being out of range to heal other players. If you're affected, be prepared to move closer to the ground to get back in range.

 Debuffs to Track

• Major: Static Charge

 Addons

• Useful addons will be added as soon as possible.

 Trash Mobs

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

Entrance thru Hungarfen

• Underbat
  • The tank may take extra damage from Tentacle Lash if this ends up behind them.
• Underbog Shambler
  • The tank will be dealing with Allergies, causing them to be periodically stunned.
  • Interrupt or purge Fungal Regrowth to prevent the healing over time.
  • Dispel Itchy Spores (disease) or move at least 8-yards away from other players to avoid chaining the light damage over time effect from Spore Explosion.
• Underbog Lurker
  • Deals increased physical damage while Wild Growth is active.
• Bog Giant
  • Stay at least 10-yards away to avoid Trample.
  • Targets random players with Fungal Decay (dispel, disease), slowing movement speed and dealing light damage over time.
  • Deals increased damage while Growth is active.
  • At 30% health, soothe Enrage to remove the increased attack speed and physical damage dealt effect.

Hungarfen thru Ghaz'an

• This area includes Bog Giants, and Underbats, detailed above.
• Wrathfin Myrmidon
  • The tank will be dealing with the light damage over time from Coral Cut.
• Wrathfin Sentry
  • Stay at least 5-yards away to avoid the interrupt from Shield Bash.
• Wrathfin Warrior
  • Stay at least 5-yards away to avoid the interrupt from Shield Bash.
  • Soothe Enrage to remove the increased attack speed and physical damage dealt effect.
• Murkblood Spearman
  • Dispel Viper Sting (poison) to remove the mana drain effect.
  • Soothe Enrage to remove the increased attack speed and physical damage dealt effect.
• Murkblood Tribesman
  • Soothe Enrage to remove the increased attack speed and physical damage dealt effect.
• Murkblood Oracle
  • Dispel Amplify Damage (magic) to remove the increase damage taken effect.
  • Purge Demon Armor to remove the increased armor, health regen, and shadow resistance effect.
  • Stay at least 10-yards away to avoid Frost Nova.
• Murkblood Healer
  • Interrupt Prayer of Healing to prevent the healing on all enemies.
  • Interrupt Holy Light to prevent the healing.
  • Purge Renew to prevent the healing over time.
• Underbog Frenzy
  • Located in the water and will attack players who fall in.
  • The player they have targeted will be dealing with Pierce Armor, greatly reducing armor.

Ghaz'an thru Swamplord Musel'ek

• Fen Ray
  • Interrupt or dispel Psychic Horror (magic) to prevent the fear effect.
• Lykul Stinger
  • Soothe Stinger Frenzy to remove the increased attack speed and additional nature damage dealt effect.
• Lykul Wasp
  • Dispel Poison Spit (poison) to prevent the light damage over time.
  • Soothe Enrage to remove the increased damage dealt and attack speed effect.

Swamplord Musel'ek thru The Black Stalker

• Underbog Lord
  • The tank will be dealing with the knock back from Knock Away.
  • Targets random players with Fungal Decay (dispel, disease), slowing movement speed and dealing light damage over time.
  • Deals increased damage while Growth is active.
  • At 30% health, soothe Enrage to remove the increased attack speed and physical damage dealt effect.

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 Trash Debuffs to Track

• Major:
  • Magic Dispel: Amplify Damage (dispel, magic), Psychic Horror (dispel, magic)
  • Poison Dispel: Viper Sting (dispel, poison)
  • Incapacitating: Allergies
  • Damaging: 
• Minor:
  
  • Magic Dispel: Frost Nova (dispel, magic)
  • Disease Dispel: Fungal Decay (dispel, disease)
  • Poison Dispel: Poison Spit (dispel, poison) 
  • Damaging: Spore Explosion, Coral Cut
• Enrages to Soothe: Enrage, Stinger Frenzy
• Buffs to Purge: Fungal Regrowth, Demon Armor, Renew

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 Trash Addons

• Useful addons will be added as soon as possible.

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