Complex sentence: This version appears to be an accomplished combatant, especially when using the sharp edge of the metal wings he wears as a weapon, which are controlled through the help of nanotechnology, with which he can communicate and retrieve computer information.
Split into simpler sentences: This version appears to be an accomplished combatant, especially when using the sharp edge of the metal wings he wears as a weapon. His wings are controlled through the help of nanotechnology with which he can communicate and which can also send and retrieve computer information.