Depending on your current investiments, you may not need either.
You don't need Celince if you one shot Doki's first wave for example, if you ain't your Rilmocha seems improvable...
#Should I build my Celince first or my Yeli?
fickle bay
When you can farm Doki Inferno, it's easy to build a very effective DoT team for Hoyan.
tall urchin
When you can farm Doki Inferno, it's easy to build a very effective DoT team for...
Tbh tats prob the only reason u would use her for pve and also u can use her as a revelation user for pvp since she has a lot of hits on her s3
But again yeli as well
formal pawn
When you can farm Doki Inferno, it's easy to build a very effective DoT team for...
funny thing is I didn't even need to skillup my celince I can comfortably farm infernohoyan now I just levelled her up to 5 stars and gave her my kloss modules
guess I'm gonna build my yeli for pve and pvp purposes
formal pawn
But again yeli as well
I have already solved the problems turns out celince doesn't need skillups but still thank you