mugg1991 | Mario & Luigi Superstar Saga ~ Firehand Battle encounter glitch @mugg1991 | Uploaded May 2019 | Updated October 2024, 2 hours ago.
How to:
1) Luigi has to be underground
2) Mario has to charge fire hand and keep holding
3) Enemy touches you, Luigi is forced out of the ground
4) Mario lets go of charge

Depending on Mario's facing direction, the game will graphically glitch, freeze, crash or reset.

up: freeze or graphical bug
up left, up right, down: graphical bug
left, right: mario's sprite vanishes
down left, bottom right: core crash or reset