His left hand was missing, and where his left eye would be just an empty socket constantly streaming sickly green magical energy upwards.
His cheeks were sunken around skeletal teeth in a terrible grin. His skin was weathered and decayed, pulled taut against his skeletal frame there was no hair on his spotted head. When Vecna was first reborn, he appeared as a gaunt husk of a man wearing long tattered red, purple, and black robes.