Max Missile Expansion Locations
Right above the building with the motorbike outside/door that needs to be destroyed by a bomb.
Inside the grasstown hut just above the shelter where Kazuma was locked in.
After returning to Egg Corridor. By the sky dragon in where egg 12 used to be.
After returning to the Egg Corridor. Inside the Egg Observation Room?
* Bonus Missile Expansion
Located in the Sacred Grounds secret stage in a chest hidden in a single star block located high on a ledge just before the room with Heavy Press boss fight.