Rezyl Azzir

Rezyl Azzir was a Titan that ventured through and became corrupted by The Darkness, and became one of the most feared and hated Guardians in history.

Becoming Dredgen Yor
After an encounter with the Darkness, Rezyl Azzir was then consumed and became a known murderer, who killed many wielders of the Light. His murderous streak stopped when he was killed by Shin Malphur.