You get fighter bonus feats as a Warpriest, so if you want to VMC into another class you can. You can dip Barbarian for some extra STR or DEX in a fight if you wish, though you need a way of dealing with the fatigue penalty. VMC Paladin can give you Lay on Hands as a swift an...
Monsters with feats and equipment could be re-specced and re-equipped very easily to change their focus. And the GM could give any intelligent monster levels in any class. Sure, the MM goblins are generic, 1st-level mooks, but if you wanted a war chief or skulk or shaman, you could ju...