in which he participates in the eponymous tournament as he was ordered by the Lin Kuei to kill the host Shang Tsung and take his treasure. Prior to Mortal Kombat, Bi-Han was commissioned by the sorcerer Quan Chi to obtain an amulet. Quan Chi contracted both Bi-Han and Hanzo Hasashi of the rival Shirai Ryu clan to complete this task in order to ensure the amulet’s capture. Early on in the quest, Bi-Han kills Hasashi, who later is resurrected as the undead specter Scorpion. After Bi-Han delivers the amulet to Quan Chi, he is sent back to the Netherrealm by the thunder god Raiden upon learning it is the key to releasing the fallen elder god, Shinnok. Sub-Zero regains the amulet while fighting Shinnok and returns it to Raiden. After Liu Kang defeats Shang Tsung in Mortal Kombat, Bi-Han fails to accomplish his mission, and is killed by Scorpion, who sought to avenge his own death. Following Bi Han’s death, Quan Chi enlists Bi-Han's soul into the undead Noob Saibot. The mantle of Sub-Zero is taken up by his younger brother Kuai Liang in subsequent installments. Noob Saibot was then first introduced in 1993's Mortal Kombat II as a hidden nonplayable opponent whom players fought in a secret battle in the "Goro's Lair" stage from the first game after winning fifty consecutive matches. He was a solid black palette swap of Sub-Zero who fought with increased speed and Scorpion's spear. He returned as a secret character in Mortal Kombat 3 with the same attributes, but was instead a silhouette of Kano, since there were no human ninjas in the game, and in the Sega Game Gear port, he additionally had Kano's special moves and his "Eye Laser" Fatality. Upon being made playable in the console versions of UMK3 and the 1996 compilation title Mortal Kombat Trilogy, Noob Saibot returned as a palette-swap ninja, and one of ten human ninja swaps in the game overall. Although early versions of Mortal Kombat 4 featured him as a playable character, he was changed back to being hidden in the final arcade release, while his roster spot was filled by Reiko. In reference to his past as the original Sub-Zero, Noob Saibot's character model is used for Sub-Zero's mirror match costume in the "Versus" mode of Mortal Kombat: Shaolin Monks. Prima Games considered Noob Saibot to be one of the most "overpowered" Mortal Kombat