WoW TBC Arena

Hydross the Unstable Strategy — Serpentshrine Cavern

Phase 2 · Serpentshrine Cavern · 2 tanks, 5 healers, rest dps

A resistance and add-management fight. Hydross toggles between Frost and Nature forms as he's pulled across a line, each swap spawning elemental adds and applying a stacking damage debuff. You need two tanks in the matching resistance sets.

Fight phases

  1. 1

    Frost side

    Tank Hydross on the frost side (frost-resist tank). At 6 stacks of Mark of Hydross he Enrages — pull him across the line before then.

  2. 2

    Nature side

    The nature-resist tank taunts as he crosses; nature adds spawn. Alternate sides, killing the spawned Elementals each transition.

By role

Tanks

Two tanks, each in a resistance set (frost / nature), taunt-swapping at every line cross before the stacking Mark enrages them. Never let one tank hold through 6 stacks.

Healers

Tank damage spikes with Mark stacks right before each swap. The spawned adds also cleave — keep the off-tank topped through add pickup.

DPS

Burn the boss, but stop and AoE the Pure Spawn adds instantly on each transition — a loose add wipes the raid. Watch your own aggro across the taunt swaps.

Common mistakes

  • ✕Missing the taunt swap and letting a tank enrage at 6 stacks.
  • ✕Ignoring the elemental adds during a transition.
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Strategy summarized from community knowledge (WoWWiki / Wowhead) and rewritten for this guide. Position diagrams are original.