This is part 21 of my 100% Super Mario 3D World Walkthrough.
This part includes World 8-6 "A Beam in the Dark", World 8-Mystery "Mystery House Claw Climb", World 8-7 "Grumblump Inferno", World 8-A "Motley Blossbob's Encore" and World 8-B "Hisstocrat Returns".
Below are the times when I get the stamp and green stars in each level.
