Magic:Bigbys Clenched Fist

Evocation
Level: Sor/Wiz 8
Innate Level: 8
Component(s): V, S
Casting Time: 1 action
Range: Long
Target: Single
Duration: 1 round/level
Counter(s): --
Saving Throw: Fortitude
Spell Resistance: Yes
Metamagic: Empower, Extend, Maximize, Quicken, Silent, Still
Energy Substitution: No

A giant hand appears and attacks the target, once each round for the duration of the spell. Each hit causes 1d8+11 points of damage to the target and if they fail their saving throw they are stunned for that round as well.