He began to conquer other realms, merging them to add that realm's power to Outworld and expand his ever-growing empire. Onaga's secret to victory was his undefeatable and seemingly invincible army. Onaga's heart gave him the ability to raise the dead, allowing him to revive his dead soldiers continuously. However, Onaga wished to live forever; using the last dragon egg, his followers formed a spell that would transfer his body into the tiny dragon inside and with it, be granted eternal life. It was at this point, a strike plan(coup) was in effect, orchestrated by Onaga's trusted advisor, Shao Kahn. However, Kahn, who did not like sharing power, but knew that he would lose if he fought Onaga directly, so instead usurped Onaga by poisoning him, and took control of Outworld for himself. Unli