Part of Destiny's Year 2 Moments of Triumph is getting all of the Calcified Fragments, which means completing the three Challenge modes of the King's Fall raid. This week it's War Priest, so we will be playing on Normal mode up until the War Priest and will complete the War Priest Challenge. If people want to stick around after, we can try to either finish Normal mode or start a new Hard mode.

Minimum Light: 300
Need to level up? Heroic Strikes in the Vanguard Playlist are you best bet. The Challenge of Elders is also a good activity for leveling up.

So, since I haven't done any - would I be able to get all 3 before RoI?

Yeah I need all three challenges and the hard mode n