How can i deal more damage out of dungeons? I've seen ppl deal one mil.

[Panta_Q]

Title.
Heres my skyscrypt: https://sky.shiiyu.moe/stats/lunar273
Idk what to grind next. Do I sell aots and do wolf or e-man? or do I grind for a heart.
Anyways, i just want to get my damage up.

EDRAG IS OUT OF THE QUESTION