Make invisibility a level 5 spell

[Dynamite]

Justification: Death to dirty backliners.  Misery enjoys company.

(maybe compromise with some other buffs being easier to access for these crutch-requiring-casters?)

[Phoebe]

pls no i don't want an unspoken sudden retreat sending every ghuul into my Safe Zone, except for every quest

[VanillaPudding]

Click expertise or something instead