The concept of "Puzzle Cubes" in Omu is a classic Zelda-like mechanic. Players must collect nine cubes to open the door to the tomb. Each cube is heavy and must be carried. The Tomb of Annihilation PDF describes the physical properties of these items. If players lose one, they are in trouble. The digital guide helps the DM track the location of the cubes, especially if the Red Wizards or the Yuan-ti steal them. This game of keep-away adds a strategic layer to the exploration of the ruined city, and the PDF helps manage the logic of these quest items. https://tombofannihilationpdf.store/ Tomb Of Annihilation Rules Pdf