Where to get the ungodly reavers of nulgath on aqw?

first you go to Tercessuinotlim , then you find nulgath and you find the quest jauggernaut iems of nulgath The quest Requires:

-20 Gem of Nulgath

-50 Dark Crystal Shards

-50 Tained Gems

-13 Diamons of Nulgath

-3 Totems of Nulgath

-1 Voucher (Non-Mem)

-1 Undentified 13