[quote]wombo combo takes a grenade + melee charge to use, while firebolt grenade is just that: 1 grenade charge.[/quote] Please read my post before commenting, ive addressed that. Keyword: Trade offs Tl;dr Wombo HAS to take two charges because its doing 4 times the things that firebolt does. Ours also calls for 2 perks to be that good.