So I'm looking at this lvl 4 spell, and am wondering, do the ball lightnings move only the direction from when they were first directed? If not it seems a bit overpowered for only a level 4 spell (2x ball lightnings or 3d6 dmg, both directable by one move action)...
http://paizo.com/pathfinderRPG/prd/advanced/spells/ballLightning.html#_ball -lightning
