+% Resistance to all elements

Casted hydras have +2 heads

+% intelligence

+% attack speed

+150% pyromancy damage

+3 to primordial binding

Hydra is now a Core Skill and always Summons a 3-headed hydra whose attacks explode on impact.

For each head above 3 that it would have had, the hydra instead grows larger and deals 90% increased damage.