- Defeat Wise Mari without being hit by Corrupted Water, Hydrolance, or Wash Away in Temple of the Jade Serpent on Heroic Difficulty.
Hydrophobia is an achievement that is awarded for defeating Wise Mari in Temple of the Jade Serpent without being hit by the following abilities on Heroic difficulty:
- Corrupted Water, the pulsing AoE that deals damage to anyone standing in any water.
- Hydrolance, Maru's primary AoE ability in phase 1.
- Wash Away, the phase 2 rotating AoE water blast.