True - paired with obsidian mind it destroys low-level mobs and is simply a blast to use! Indeed, it's pretty handy with any armour piece that has Inverse Shadow. Still far from op, though, which I think is all to the good. Lacks the punch to take down tougher foes, lacks elemental damage, and obviously it prevents you from equipping another exotic which can put you at a disadvantage in some situations. Out on patrol though, or in swarm-type situations like the abyss/bridge or confluxes it's just a joy to use. I remember what it used to be like, though...