The Crisp Climb Castle is an island in Super Mario 3D World + Bowser’s Fury. The island is made up of a tall structure, an ice platform, and a lighthouse. Mario must climb up the platforms and slide down the icy surfaces to reach the Cat Shine at the top. This island is difficult, so a good way to complete it is by collecting five Cat Shards hidden throughout the castle.
The first cat shine shards are located at the top of the tower, and they can only be obtained by completing the level. Next, you will need to obtain a Cat Shine at the lighthouse. This will require the use a Propeller Box. You will also need to use an analogue stick to change directions. This is one of the hardest levels in the game, but it is well worth the effort.
The Crisp Climb Castle level is located in the Ruins region, near Ruins Giga Bell. You will encounter five different Cat Shines during this level, but some of them are level-related and will change the stage slightly. The first two can be completed at any time, though. To reach the final Cat Shine, you must collect all five Cat Shines within one level. The remaining three will only take a few hours to complete.