Pit Trap
D&D 2024 hazard: Pit Trap. Source: Xanathar's Guide to Everything. hazard type Trap The simplest of pit traps consists of a 10-foot-deep hole in the floor, concealed by tattered canvas that's covered with leaves and dirt to look like solid ground. This type of trap is useful for blocking off the entrance to a monster lair, and usually has narrow ledges along its sides to allow for movement around it.