I Just thougt It would be much cooler since it's basically an Angel that reincarnated again and again achieving God like Powers and I think It would be much Better for 5e to be an elite Monster above CR 30 , since It should be much more powerful than a normal Angel or even Archangel, but it's Just my opinion and also it's my favourite Monster in pathfinder
Edit: also of you want you could rework some of its powers to make It stronger and with more fighting options , I could help you with some ideas of you want