Celerity: The ability to accelerate ones self, or in other theories deccelerate the moving things around you.
Mephiston uses this skill quite often as he was generally on the forefront of any Blood Angel assault, throwing himself into melee combat whenever it presented himself.
Dominate: The ability to superimpose ones thoughts onto another. Mephiston uses this ability in the form of a penetrating stare. This manifests itself in the same way that a cobra hypnotises, for lack of better terms, its prey.
Necromancy: The ability to call upon the supernatural world. Mephiston came upon this ability somewhat by mistake. In his travels through the warp he learned that demons and undead may be bound to certain flows of magic. This being Mephistons newest ability he is still somewhat limited in what he can do.
Auspex: The ability to use all senses in conjunction with one another to highten ones awareness. Mephiston has made this ability one of his most used on the battlefield. It gives him the ability to know where the enemy is through the use of all senses not just sight. This makes him that much more formidable in battle.
Potence: The ability to boosts ones strength to that of super humans or beyond. This ability just kinda came natural to Mephiston. Being in situations where his bionically and genetically enginered stregth was not enough he often found that indeed he was strong enough for the task at hand.
Fortitude: The ability to go longer harder and take more punishment than the averageg man. Battles against the forces of chaos would last for weeks sometimes with no rest between skirmishes. In this Mephiston used his own blood to give himself the extra boost he needed to keep on going.
Presence: The power to influence a large group of people. This ability usually shows itself in the form bolstering morale amungst his fellow Blood Angels. However recently in the realm of Ayenee he has found it usefull in manipulating the people in large numbers.
Valens: Being the Chief Librarian of the Blood Angels Mephiston grew used to figuring out new and invintive ways to bring torture to the forfront while questioning captured enemies. He has become very skilled in this form.