You GROUND POUND him.
If you beat the boss in super mini form, instead of running to the next world, you'll fall into a tiny crevice that will lead you to world four.
Ok so on Super Mario Bros for the Nintendo to get to world 4 you have to go to world 2 and defeat it as tiny Mario then to get to world 7 you have to go defeat world 5 as tiny Marion there that is how you do it
in world 2, you will notice that after you beat the boss at the castle, you pass the door to see Peach get wisked away by Baby Bowser. if you pay close attention, you will notice that the floor has a path under it, fit for someone who is really tiny. if you can get there while that tiny, you will be able to take that path and go to world 4. in other words, beat the world 2 boss while Mini to get to world 4. (same goes with world 7, just beat world 5 while Mini)
You have to beat the world 2 boss with mini Mario It would be easier if you just jump on the boss two times normally and keep a mini mushroom and transform and ground pound the boss. The boss is a grey thing that can go underground and shoot sand balls. the boss can go down and come back up at a different size
for world 4 you beat the world 2 boss in mini, for world 7 you beat the world 5 boss in mini.
For world 4, beat world 2 boss as Mini Mario. For World 7, beat world 5 boss as Mini Mario.
Beat the world 2 boss as Mini Mario.
you have to defeat the level 2 boss in tiny Mario
World 2: Beat World 1. World 3: Beat World 2. World 4: Beat the boss in the castle in World 2 with Mini Mushroom. World 5: Beat World 4 or 3. World 6: Beat World 5. World 7: Beat the boss in the castle in World 5 with Mini Mushroom. World 8: Beat World 7 or 6.
It is simple. Just beat the world 2 boss as mini Mario. It is the same thing for world 7, but to get to world 7 beat the world 5 boss as mini mario/luigi
you have to beat boss world 2 as mini for world 4 you have to beat boss world 5 as mini for world 7
beat the last boss in the last castle in world 2 as mini Mario