Masterworking a piece of armor is going to cost an Ascendant Shard, three Enhancement Prisms, and three Enhancement Cores. If you need these materials, the best sources are Trials of Osiris and Master Nightfalls. Winning games in Trials with a seven-win Passage has a chance of dropping Enhancement Prisms and Ascendant Shards. Clearing a Master Nightfall with a Platinum score has a high chance of dropping an Ascendant Shard and Pri This week's challenges reward a massive chunk of XP and Bright Du...