(Outdated) Mushroom Kingdom Fusion - All Bosses (No Damage) (The Mushroom Kingdom)

[@shirleyiscutieproductions]

Timestamps of category bosses:
Main Bosses
Mouser - 0:26
Big Boo Boss - 1:13
Goomba King - 1:43
Submarine Eggman II - 2:28
King Totomesu - 4:00
Dragonzamasu - 4:31
Dive Man - 5:40
Pako the Octopus - 6:06
Kracko - 7:02
Lakithunder - 9:35
Fryguy - 12:14
Siren - 13:14
Ghost Mouser - 14:51
Boom-Boom #1 - 15:56
Boom-Boom #1 (Easy Way) - 16:12
Boom-Boom #2 - 16:21
Secret Bosses
Birdo - 16:43
Radonkel The Crow - 17:03
Spiked Koopa - 17:38
Dry Bowser - 19:08
Infected Terran Horde - 20:54
World BOSS
Bowser - 23:20

[@yuzhen3431]

That is kinda very good skills you beat all of these world 1 bosses.

[@MatiasPalta-x8s]

phase 2 style gradius