 My favourite dungeon theme in all of Megadimension right here.

I See Myself In You

Hyperdimension Neptunia Victory- Uni's Theme Ver. V

Buy the game here: http://store.steampowered.com/app/282900/

Composer: Shunsuke Tsuchiya.
Release date: September 19, 2019.
Game: Oninaki.
Platform: Nintendo Switch, PlayStation 4 & Microsoft Windows.