The Ultimate Deltarune Gauntlet

I attempted the Deltarune's ultimate boss rush - all 4 secret bosses made even harder than they were before, all back to back in a single fight. Edited by Markn: ‪@markn6296‬ Deltarue Ultimate Boss Rush Mod: https://gamebanana.com/mods/608558 Battle Theme (SHELTER) by ‪@corn9902‬ Undertale and Deltarune OST by Toby Fox and published by Materia Collective Discord:   / discord   Twitter: https://x.com/Mystic_Slime