The Blood Lord himself, none are as feared throughout the galaxy (of course excluding Darth Verus), yet some question whether or not he is the most powerful or respected among the Darth Jedis.
He is maniacal about killing, and get's very excited when he hears orders for him to go kill rogues or turncoats. He often makes them land so that he can kill them up close, just to watch them die. His soldiers don't exactly agree with him, but how could they resist against his ideals? They would just risk getting killed themselves. At other times, he is calm and collective, usually showing wisdom where it is not expected. He often takes up chatting with officers and servants, as well as his Master when time allows. However, he tends not to talk to his fellow Darths unless spoken to or unless he needs vital information from one of them. He also is a strategist, and will stop his killing spree if there is danger to him or his troops.
His bladed gauntlet is on his right hand, and his lightsaber is usually weilded in the left hand as a defensive weapon rather than a main all-around weapon like most Jedi do. His lightsaber uses a special crystal from his home world that makes a kind of light only recently found in the color spectrum, black light. Not purple light, but true blackness that can only be seen by a few select species. Humans are among those who cannot see it, and they see a bright white in its place. He only rarely uses it. He also has a precision rifle with a range of about 800 meters, usually used to take out a leader before the assault begins. He also has a red cape with a hood that he wears at all times unless on his way to battle. His favorite weapon, by far, is his sword. It is made of metal, not a lightsaber, and he only uses it ceremoniously, such as on visits to see his master in person.
His memories were wiped by Imperial surgeons, for the purpose of killing off any feelings he may have retained. He was the only one of his race left after an assault, and he was the only one to survive the battle, including Imperial troops. The Imperial troops died so quickly that they didn't have a chance to report back to base as to what species they encountered, and since his memories were wiped before they could question him for fear of getting killed, his race remains a mystery, although it is certain he is the last of his kind. He has only a small army of about 200, which are charged with assaulting targets that are not heavily fortified. He is also very unreliable in dogfights, explained by his absolute failure as a pilot.