Fix priority so that units that don't receive UNIT_AURA events are lowest.
Fix priority so that units that don't receive UNIT_AURA events are lowest.

ultijlam/ovale,eXhausted/Ovale,Xeltor/ovale,eXhausted/Ovale,eXhausted/Ovale,ultijlam/ovale,ultijlam/ovale