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Is there anything in the rules about spell casting under water?
If you have a caster, trying to cast a spell with a verbal component, and he is swimming (holding his breath underwater), can he cast a spell with a verbal component?
If the answer is yes, is there some sort of penalty for casting a spell with a verbal component underwater?
I did see the part about a standard action, while holding your breath, uses up one of your rounds that you can normally hold your breath.
Thanks!
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From the PRD.
Spellcasting Underwater: Casting spells while submerged can be difficult for those who cannot breathe underwater. A creature that cannot breathe water must make a concentration check (DC 15 + spell level) to cast a spell underwater (this is in addition to the caster level check to successfully cast a fire spell underwater). Creatures that can breathe water are unaffected and can cast spells normally. Some spells might function differently underwater, subject to GM discretion.
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and in case you wanted the bit about fire under water too.
Fire: Nonmagical fire (including alchemist's fire) does not burn underwater. Spells or spell-like effects with the fire descriptor are ineffective underwater unless the caster makes a caster level check (DC 20 + spell level). If the check succeeds, the spell creates a bubble of steam instead of its usual fiery effect, but otherwise the spell works as described. A supernatural fire effect is ineffective underwater unless its description states otherwise. The surface of a body of water blocks line of effect for any fire spell. If the caster has made the caster level check to make the fire spell usable underwater, the surface still blocks the spell's line of effect.
Awesome response, Thazar. Thank you.
Could you tell me what PRD stands for?
Thanks
Never mind, just found it.
http://paizo.com/pathfinderRPG/prd/
Does this mean someone affected by water breathing can cast fireball underwater without a caster level check?
Fire has special rules when underwater. Normal fire won't work and magical fire takes a caster level check. If you want to cast fireball WITHOUT water breathing I think you need to make TWO checks. With water breathing you need to make one check.
Water breathing and magic missile required no checks.
I am wondering wether it is appropriate to apply the deafness penalty under water (20% spell failure).