Îstum

Advanced Stats

Alignment: ( Evil )

Level of Lore-master reporting: ( 58 )

Description

Îstum is a boss in the raid instance Dâr Narbugud.

"Îstum is among the most deadly of the Orc-lieutenants of the Mistress of Pestilence."

Îstum delivers primarily Acid (Tactical) damage.

This fight can be reset by running out of the entrance to the room.

"Welcome. You will all know the Mistress' gift soon enough."

Loot that drops for all characters

Loot that always drops

Loot that has a chance to drop

Ability / Effect	Description
Phase 1: 100% to 85% / 10.9M Morale
Protection from Slows	Unaffected by debuffs which slow movement speed
Gloom	+5 Dread
Thunderclap Slowed	AOE Knock-around that slows characters near Îstum
Combustion Poisoned Ground	Places ground-centred Acid DOT puddles placed under random raid members
Charge	+50% Run Speed boost for Îstum while he attacks and stuns random raid member
Impending Poison	Removable poison effect placed on Îstum's target that delivers massive Acid damage on expiration
Phase 2: 85% - 40% / 5.1M (continues Phase 1 abilities and effects)
Fungal Crawlers	Four Fungal Crawlers will spawn every 60s in the center of the room who explode for ~3K Acid damage when they reach melee range to their target.
Whirlwind	360° AOE attack that does massive Acid damage to all in melee range (every 35s)
Phase 3: 40% - 0% (continues Phase 1 and 2 abilities and effects)
Fungal Crawlers	Fungal Crawlers continue to spawn but will now come from the corners of the room every 15s.
Spore Explosion	360° AOE attack (uninterruptible) that does massive Acid damage to all in melee range (every 45s)