Omega-Level Mutant
Legion possesses a multitude of different personalities that,initially, all had their own super powers over which David had no control. Throughout the years, Haller has learned to command the abilities, making him a highly powerful Omega-level mutant
Telekinesis
In addition to telepathy, pyrokinesis, and telekinesis, Haller’s personalities have shown the ability to warp his physical appearance, and often take him on journeys deep within his own mind.