Vanilla style

 was a way of playing Mythic Quest that Ian called the "truest" form of the game. It involved getting "buck naked", even removing the basic loincloth, and fighting only with fists and a knife.

In the confrontation between Ian and the Masked Man, Ian's ult was almost exhausted, when he proposed vanilla style as the way to finish the competition. The Masked Man agreed to these terms — and lost.