These hulking, alabaster skinned, D&D 5e exclusive creatures are absolutely full of potential!
The CR23 children of gods from the positive planes could be an amazing fight for the PCs or a fantastic set piece depending on how you want to play it.
Very similar to Unicorns and Ki-Rin, these creatures seem to have been developed to help the party, but there are more than enough mechanics that we cover if you want to fuck their day (or residing land mass up).
Reading List
Paradiso - Dante