RTABC Guide/Blast Away the Wall
This is a guide for how to beat the star Blast Away the Wall in 0 A presses in an RTABC run.
Method
Start by moving through the Bomps, Thwomps, and falling platforms to the area where the star is located. You can perform a ledge grab on the wall containing the star that is cancelled out by Mario's hitbox overlapping with the star's hitbox.