Allow Mages of X (40?50?) amount of Essence in a given type to protect their
whole party with a single spell. Spellcost and reagent usage in relation to
amount of party members. Cheers, protting is oh-so-much fun.

While you are at it, why can't i cast searing fervor at myself as a vampire,
and even if i could, what the fuck should it do except drain all my eps.