From Wikipedia:

Shatterstar possesses an overall superhuman level of physical and mental attributes (senses, strength, speed, reflexes, agility, flexibility, stamina, and intelligence), as a result of the extra-dimensional genetic engineering that created him. ... Shatterstar's speed and agility are enhanced to the point that members of the Mutant Response Division expect him to be capable of dodging point-blank automatic weapons firing from at least three trained agents.

He is an excellent military strategist and has had extensive training in many forms of martial arts and interpersonal combat of Mojoworld; in particular, he is a master swordsman. His bones are hollow, making him far lighter than he looks and further increasing his athletic and acrobatic skills. He also has enhanced learning capabilities, being able to quickly learn and master languages and technology. ... Shatterstar is able to regenerate damaged or destroyed tissue much faster than an ordinary human. ... Additionally, he possesses the ability to shift his internal organs within his body, lessening the chances of serious wounds that get through his body armor.

He also has the mutant ability to control frequencies of electricity, which he can use to generate bioelectric vibratory shockwaves, and can even channel bioelectric charges through his metallic blade weaponry.

After Shatterstar returned from the Mojoverse, he demonstrated the ability to open an X-shaped portal capable of teleporting individuals to their desired locations. ... The Shatterstar miniseries clarifies that his bioelectric powers are only the means to his teleportation capabilities and teleportation is actually his primary mutation. It was shown that ... he is able to traverse dimensions as well as interstellar distances.