I love both this and the previous strip!
However the battle ultimately ends up, Roy's initial ambush is nothing short of brilliant: In a matter of moments, he has leveled the playing field -- and more -- to balance out V's absence. And placing Belkar within range of Durkon's Holy Word (and thus giving him resistance/immunity to certain spells) was a masterstroke!
EDIT: Oh yeah. I absolutely loved Roy's comment at the end. That was a laugh-out-loud moment.