|Summons a many-headed hydra to fight alongside the caster for a short time.|
A hydra with 4 to 12 heads is summoned. Number of heads depends on spell power, but it's always rare to get more than 8. Duration of the summon does not depend on the spell power and is always very short, around 9 turns.
Number of heads is (1d<power> - 1) / 6, but at least 4 and at most 12. There is always 5 out of 6 chance that the number of heads is limited to 8.
The following enemies may be able to cast Summon Hydra, depending on their spell set:
Summon Hydra was added in 0.8.
- spl-summoning.cc:336 (0.19.0)