Prophet out of Throne Glitch

The Prophet out of Throne Glitch is a physics related glitch in the Halo 2 Campaign level Regret. To do it, you must first acquire the Sputnik Skull.

Tutorial
With Sputnik active, find a Fuel Rod Gun or Needler before the fight with the Prophet. Once you enter the fight, kill all the enemies with a different weapon. Once they are all dead, keep shooting the Prophet's throne with the Needler or Fuel Rod Gun until it flips over. He will fall out and shoot you with his Plasma Pistol. After 10 seconds he will teleport back to his Throne.