u/Next-Key2652

So i was wondering now that with the release of mortenax, i could maybe make ashveil the main dps? If yes (idk what is the optimal team and if ashveil is supposed to be dps or sub) what LC is the best for him? I have herta shop LC (the starskif one) but i COULD get topaz LC from the shop. But i don't wanna waste a LC from the shop unless it's super super necessary. Soooo...what are yall recommendations?