Cost: 15 Arcane Power
Arcane Hydra28% weapon damage as Arcane to enemies near the explosion.
Lightning Hydra34% weapon damage as Lightning.
Venom Hydra18% weapon damage per second as Poison to enemies who remain in the pool.
Frost Hydra31% weapon damage as Cold to all enemies in the cone.
Mammoth Hydra22% weapon damage per second as Fire to enemies caught on the burning ground.