Steam Caster

Undine.

You may increase the casting time of a fire spell to a full-round action, infusing it with elemental power (spells with a casting time of 1 full-round action or longer do not have an increased casting time). The spell is treated as if it had the water descriptor. All fire effects of the altered spell instead manifest as superheated steam. The altered spell works normally underwater without requiring a caster level check. Unlike fire, the steam cannot ignite objects or se