you trick him into ground pounding through the floor to his death than you can see the worst ending ever peach says " thank you ,but our princess is in a norther castle. just kidding ha ha ha
the answer is skills and if you don't have them you got to be srong and not be a baby and beat the game one step at a time. because that's what my dad raised me like!
Be a little more specific, which level in world 3. But, there is a link you can go to below to find answers, just find the levels you need and you're set. Click below!