Acquiring Rift Fragments from the Tome should give bonus iridescent shards if already max tier

Cetren

Change my mind.

Judgement

‘Money bro’

TragicSolitude

This would definitely be nice. Considering how little BP the challenges give, and that the main reward for completing them is really the Rift Fragments, it'd be nice if the challenges gave something else if the Rift is maxed out.