 Dreadnautilus | Always | 1 / 1 | 1 | Expert and MasterThis is an Expert Mode drop rate |
| Dreadnautilus | 1 in 2 50% | 1 / 4 | 1 | Classic onlyClassic mode only (not Expert or Master Mode) |
 The Bride | 1 in 5 20% | 4 / 11 | 1 | |
 The Groom | 1 in 5 20% | 4 / 11 | 1 | |
 Clown | 1 in 10 10% | 7 / 22 | 1 | |
 Blood Eel Variant 1, size 100% | 1 in 25 4% | 17 / 57 | 1 | At night during a Blood Moon, not from enemies spawned by a statue |
 Hemogoblin Shark | 1 in 25 4% | 17 / 57 | 1 | At night during a Blood Moon, not from enemies spawned by a statue |
 Wandering Eye Fish | 1 in 25 4% | 17 / 57 | 1 | At night during a Blood Moon, not from enemies spawned by a statue |
 Zombie Merman | 1 in 25 4% | 17 / 57 | 1 | At night during a Blood Moon, not from enemies spawned by a statue |
 Blood Zombie | 1 in 100 1% | 69 / 230 | 1 | At night during a Blood Moon, not from enemies spawned by a statue |
 Drippler | 1 in 100 1% | 69 / 230 | 1 | At night during a Blood Moon, not from enemies spawned by a statue |
