This one specifically is named Zavrar. He is ancient about 1200 years of age. he was almost an adult when the other Dark templar were banished from Auir by the High Templar. In the small battles between the conclave and the Dark templar his left arm was cut off he replaced it later in life with a Dark templar Warp blade. He has not held a grudge against the Auir protoss. The dark templar however are currently unnaware of his werabouts.