Here's What You Need For This Boss Fight: Your Grenade Launcher, your Shotgun, your Handgun and ammo for each. Bring at least two healing items that will take you up to full health. Make sure you have ...

After passing the tank with the Fire Bro, look for a Hammer Bro on the next tank with a large collection of ? blocks below a Green Star. Hit the long ? block next to it, and throw the bomb that pops ...