Interesting. I think I still like the original best. I can't quite get the hair* right. I tried adding "frizzy" which doesn't seem right but it did give me this gem:
View attachment 321970
As with a
sun blade, I'm struggling to also get DALL-E to give me a scythe with a blade of pure light rather than a colored bit of metal. It did give me one or two that were close but mostly it doesn't. At least it seems to (mostly) know what a scythe looks like! (I guess in game terms, it would have to be a glaive, though, since there isn't a scythe on the 5e weapons table).
I'm also leaning towards conquest paladin for this character mainly because death clerics don't get heavy armor proficiency (even if they do get a Reaper class feature).
*I'm fairly certain the death giant reaper's hairstyle would be classed as a mullet, but I can't get the algorithm to get it quite right. The closest real world example I can think of is the 70s/80s "rocker mullet" sported by the likes of Nigel Tufnel (Christopher Guest) in
This is Spinal Tap. When the Create button turns pink again, I'll try words to that effect.