VIDEOS:
Vakama Hordika
Vakama is unable to cope with his own guilt and the blame of his team for getting them captured and injected with the mutagenic Visorak Venom. As the venom slowly turns him both physically and mentally into a bestial Hordika, he is easily convinced by Roodaka to join her and the Visorak horde.
Example of:
Face–Heel Turn