A player-controllable Character in Warframe.
Excalibur is a male warframe characterized by his grey coloration, semi-muscular physique and single horn on his helmet.
He is a humanoid robot, though in many cases will undergo some level of humanization.
Variants:
The following tags implicate this tag: excalibur_prime_(warframe) and excalibur_umbra_(warframe) (learn more).