they must perform at least 5 of the following tasks to get the beast angry enough to fully surface and present its true entry : set fire to it , laugh at it or otherwise taunt it , use frost on it , use acid on it , strike it for at least 15 damage in one blow , spit on it , kick it , call it a son of a piece of rock or similar , blow its mouth to pieces , seduce it , bluff it , trick it , give it a riddle it cant solve , or pay it 1,000 gp or more .