I think a +1 in Weapon Damage would've been fine, heck make it i275 to match Savage/Relic weapons, you know, an actual alternative to gearing? Don't just go and stick a syringe up content's ass and pump it with so much damage that you're like "Raiding? Nah. Relic? Nah. FATES for the ultimate weapon whose substats don't matter mathematically due to so much Weapon Damage? Yis!". Much like the knee-jerk buff to AST, this type of loot added into Diadem was nothing more than a way of luring players who were done with their Raid/Relic to come back, otherwise why on earth would we?