So you’ve gotten past various traps and obstacles throughout Iggy Koopa’s Slithering Castle, filled with both Chain Chomps and Piranha Plants, which leads you to the Boss Arena.

The arena was a giant sandpit, and the Koopalings come into view in Bowser’s Koopa Clown Car, Iggy is the one speaking.

Iggy: “I must say, your persistence is really a hindrance to King Dad’s plans! King Hisstocrat! It’s lunch time! Special of the day: Plumber Soufflé!”

After the Koopalings flew away, a giant, king-like snake rises from the sand, and it appears you’re on the menu!