Ass Masters [Limited Edition]

Down + Attack in the Air to Stomp - It's a long read, but you're gonna like the end!

The Ass masters [Limited Edition] book is an item that the player needs to progress the game, it'll unlock an ability that the player needs to clear some otherwise indestructible blocks in the Treewish Forest.

Once in their inventories, the Ass Masters [Limited Edition] book lets the player use hold the Down input and then press the Attack button to do a Butt Stomp, a move that stops their horizontal momentum and slams them into the ground. This move damages any enemies that the player may fall on, as well as destroy certain blocks in Treewish Forest and get them out of air currents in Brask's Jungle.

The item can be found in Cas's House, where Cas allows the player to take anything they think will be useful to get rid of the blocks in Treewish Forest. The player can take it from the desk found close to K.ren at the right-most end of the location.