Potion of ultimate strength is a members only, unmakable potion used in the 'Discovery of barbarian corruption' quest. Matoxjnr hands you this potion before he dies, saying it should be helpful in defeating _________. Usually, people have great struggle in defeating _______ (the boss) WITHOUT drinking all of the potions, although if you don't drink them all, you will be able to keep the remaining ones. Potions of ultimate strength increase your strength potion to 99 for about 2 minutes (can't be used in PvP and other player-versus-player activities). To drink, they require: