World 3-Airship (Super Mario Bros. 3)
From the Super Mario Wiki, the Mario encyclopedia
The player starts on the left edge of the Airship, shortly afterwards there are some Rocky Wrenches and a Turtle Cannon, followed by three cannons and a ? Block with a power-up. Next is another Turtle Cannon and more cannons, along with a Bolt Lift that the player can use to avoid two Rocket Engines below. After this, there are more Rocky Wrenches and another Rocket Engine, followed by another ? Block containing a power-up and a Warp Pipe leading to Wendy's room.
The battle against Wendy takes place in a flat room, and she attacks by shooting magic blasts that bounce off the walls, the floor and the ceiling. After a single hit, Wendy will shoot another magic blast. After three hits, she is defeated, and will drop the Magic Wand.