World 8-Tower (New Super Mario Bros. Wii)
From the Super Mario Wiki
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This tower is the first level to feature Firebars. There are also moving rocks that can easily crush Mario and make him lose a life. Kamek is fought at the end, where he uses his magic powder to make the battle room's platforms move to the left. Kamek teleports often while the platforms move. His magic transforms one platform into a common enemy (or sometimes enemies). Enemies can vary between Koopa Troopas, Koopa Paratroopas, Goombas, Bob-ombs, Monty Moles, Thwomps, Buzzy Beetles, and Spinies. An occasional Mushroom may also pop up, as well as Coins.