Arrow keys or WASD to move. Cursor to aim Spacebar to Shoot. Shoot the ROBOTS, and the BULLETS (plus the gun) for the variable "Ability" to go up. Try killing the Boss. If your Ability is at 40 or more press (e)or (r) to launch a shockwave. Don't Move when the blue laser touches you. Move when the orange laser touches you. (you'd probably know the laser rule if you play undertale) (Z) or (C) to heal you press (Z) or (C) when you have 100 (or more) ability
This is a knockoff of soul (not really anymore) and is the bossfight for Bullet Hell Myth to Reality - Veen (Doomspire Defense) Finale - Toby Fox (UNDERTALE) Strap Yerselves in Folks, Grab yer snacks, cause this is gonna be one heck of a time!