Eh drop the res all and just make it occ nullify magic damage instead of absorb? idk an ammo slot piece that could absorb all would be kind of broken... then again having 8 is detrimental in that you have to reset your tp to make use of them.

In any case +10 to resistance wouldnt be OP by comparison to a combined main effect since no one really makes res all builds in favor of MDT, that and at higher MDT you see diminished returns on MDB and resistance gear.