The Tri-Beam (気功砲, Kikōhō, lit. Ki Blast Cannon) is a life-risking attack used by Tien. The Crane hermit taught it to him. In the 22nd World Martial Arts Tournament, Master Roshi states: "It is a devastating attack that should never be taught." The user puts both hands together where the two thumbs touch as well of the rest of one's fingers, forming a triangle shape. A huge yellow beam then fires from that "triangle" after long, hard concentration. To pin point a target, the user's eyes zoom in on the target. It can easily kill the target or even the user, as it drains an enormous amount of energy. Interestingly, this technique leaves a square hole in the ground, instead of a triangle. After training with Roshi, Korin, Kami, and later King Kai, Tien perfects the attack as the "Neo Tri-Beam