Full completion of Grandmaster Nightfall: Proving Ground. Completion has a very good chance (80%+) of dropping an Adept weapon (should be Palindrome but that will be confirmed 3/23). Completion also has a chance of dropping a very powerful Adept Mod and Acendant Shards. Completion of this GM will also grant a Triumph towards the Conquerer Seal. PLEASE NOTE: Grandmaster Nightfalls require 1345 light (with artifact). Please enter your Gamertag/PSN/SteamID#, as well as account login information if purchasing a play-for service. Enter this information in the details field, along with any other info such as your availability or your account's availability for order completion.