The main antagonist of [[Tales of Graces]], Lambda is a being of pure energy who possesses others. [[sophie (tales)|Sophie]] is his enemy, so he keeps low for a while while possessing [[richard (tales)|Richard]].

[spoiler]Lambda was abused by scientists for his limitless power supply, hoping to turn him into a battery to energize a different world. The experiments filled Lambda with intense hatred for others. Asbel convinces him to give humanity a chance, and he resides in Asbel's purple eye.[/spoiler]
lambda (tales)