Complex sentence: Like Roland in the first "Borderlands", Axton relies on an automated Sabre Turret to provide cover fire against enemies, and most of his abilities are geared towards upgrading his turret, although some improve the explosive and grenade damage he can inflict.
Split into simpler sentences: Like Roland in the first "Borderlands", Axton's Action Skill deploys an automated Sabre Turret to provide cover fire against enemies. Most of his abilities are geared towards upgrading his turret, although some improve the explosive and grenade damage he can inflict.