Originally Posted by Foly

A shield that is made up of oil which looks a bit like a black oil bubble around the player. The player shoots oil bubble bullets with a medium-high firerate of short-medium distance that spread a bit and have tnt size (maybe a fire rate like the toaster or a bit slower). The oil stays for a little time and then fades away making this a more deffensive weapon. Last, the oil does either 2 damage or the oil does 1 damage an can be put on fire to create a small explosion which does 2 damage in a larger area and instantanious. The last one might be a bit too gimmick.