Volantus bolt

An Arc of seering Lightning emits from the palm of the caster dealing 1d8 damage to one creature with in 30'.  If Damage roll is a 1, the bolt arc to any other enemy (1st) or PC (if no enemies present) and does base damage to them.  Rolling another 1, it arc again this time damages changes to d6.  After 4 arcs it stops.  

At 5th Level, damage increases to 2d8, Level 11 3d8,  and Level 17 4d8.