A brittle shard left behind after wealth is reduced to ash. Burn 1,000 of these in a Cinder Rite at the Pyre to reroll a Pet's Aura. You can also coalesce 20 of them into 1 Ashen Relic at the Pyre.
Cinder Rite: burns 1,000 Cinder Fragments to reroll a pet’s aura.
20 Cinder Fragments fuse into 1 Ashen Relic,
Relics in the quest track: all five Pyre relics drop as season rewards, from regular Cinder Fragment bundles all the way up to Damned Intent for the deepest grinders. Enough to try the rites, never enough to trivialize them.