I just want to let you know, that this build exists:
https://forums.crateentertainment.com/t/1-1-9-1-world-police-and-friendly-fire-5-guardians-of-empyrion-paladin-4-20-crucible-sr75-all-celestials/109254
The guardians are kind of “auraish”, since they cant die and dont need to be resummoned.