Aiko & Liu Kang are Revenants, embracing their dark desires during the Unaliving War. They hold her corrupt heart gem which churns to a black diamond symbolizing their bond and their energy emanating onto others to join their cause on declaring war onto the Elder Gods. Combined with their motivations from the Netherrealm, their growing omnipotent army, and with assistance from the Makeba and their tribal customs, AiKang was born as a devoted couple and chieftains of their new clan!