[Cor]

I know they have been said but,
Freindly Currents- battlefeild wide, very nice, I just use that trident that does it for me
Water Elementals- Awesome, they have great regen underwater
Protection and mass pro- When you have a horde of those crappy knife weilding guys this is the best.

My guess about lit bolt vs thunder strike is that Lightning bolt comes from the caster while thunder strike come from the heavens, That is a long way to travel through water....