Originally developed for Unity 5.2.0 . Some users report minor errors (such as shader or particle issues) when importing into much newer versions like Unity 2020 or later. Safety & Best Practices
Are you planning to use this for a or top-down game, as that might change which prefabs are most useful to you? Decrepit Dungeon | 3D Dungeons - Unity Asset Store Download File Decrepit Dungeon.unitypackage
Decrepit Dungeon contains approximately 160 prefabs , including walls, doors, balconies, and props. It features full PBR support and 1024x1024 resolution textures. Originally developed for Unity 5