| d20 | Effect |
| 1-2 | An item falls out of the bag1 |
| 3 | The bag wriggles away from you |
| 4 | You are paralyzed for 1d4 turns ("Something tries to pull you into the bag!") |
| 5 | Stinking cloud, centered at the bag |
| 6 | Hallucination for 1d35+10 turns ("The bag exhales a puff of spores.") |
| 7 | Scare monster effect ("The bag yells "Boo!")2 |
| 8 | The bag bites you for 1d10 points of damage |
| 9 | The bag sprouts a tongue and flicks your weapon to the floor |
| 10-20 | Monsters are created |