If you're looking to add one of Lightfall's exotics to your arsenal, this is a great service for either Recovery or Playing with our Team. Please note that you must be 1750+ Light Level and have already completed the Lightfall Campaign!
Deterministic Chaos is a HEAVYexotic LMG, which features a perk called Heavy Metal:
While holding down the trigger, every fourth bullet becomes a heavy projectile that weakens targets on impact.
You must be 1750+ Light Level
You must own the Lightfall DLC on the selected Platform
You must have completed the Lightfall Campaign and have the Unfinished Business quest available in your quests