This will turn anybody who touches it into a vulnerable boo, Regular boos will be able to notice it, but the alive won’t. Going invisible doesn’t hurt, but using the powerup slightly will, considering the fact that Boos are ghosts and technically you’re disguised as the dead. With the Boo Mushroom, you're able to read and speak Booish, which could let the user know about secrets.
Super Mario Galaxy
- Boo Transformation
- Read Booish
Sprite by Nintendo / Pixelcraftian