Bottomless Drowned Abyss, Cthulhu Sea Folk & Drowned, Toxic Fog, Boss Abyssal Colossus
| Name | HP | ATK | Speed | Gold | XP | Elements | Signature abilities |
|---|---|---|---|---|---|---|---|
| Abyss Fish | 941 | 38 | 30 | 5~12 | 3 | ✨ Weak Holy | Ranged Attack |
| Stonefish | 874 | 39 | 28 | 5~12 | 3 | ⚡ Weak Thunder | Toxic AttackVeiled Ambush |
| Abyss Horror | 2016 | 49 | 30 | 7~15 | 4 | ⚡ Weak Thunder | — |
| Hermes Crab | 2520 | 49 | 24 | 14~27 | 7 | ⚡ Weak Thunder | — |
| Giant Crab | 1512 | 43 | 30 | 6~14 | 3 | ⚡ Weak Thunder❄ Immune Ice | — |
| Deep-Sea Anglerfish | 874 | 38 | 40 | 5~12 | 3 | ⚡ Weak Thunder | Veiled Ambush |
| Rift Eel | 874 | 39 | 54 | 5~12 | 3 | ⚡ Weak Thunder | Veiled Ambush |
| Siren | 941 | 34 | 44 | 5~12 | 3 | ⚡ Weak Thunder | — |
| Drowned Sailor | 1142 | 39 | 30 | 5~12 | 3 | ⚡ Weak Thunder❄ Immune Ice | — |
| Reef Shark | 1042 | 45 | 72 | 5~12 | 3 | ⚡ Weak Thunder | — |
| Drifting Jellyfish | 638 | 28 | 40 | 5~10 | 2 | 🔥 Weak Fire⚡ Immune Thunder | — |
| Man o' War | 806 | 29 | 34 | 5~10 | 2 | 🔥 Weak Fire | Toxic Attack |
| Crab Swarm | 302 | 18 | 60 | 1~5 | 1 | ⚡ Weak Thunder❄ Immune Ice | In groups |
| Electric Eel Swarm | 336 | 20 | 70 | 1~5 | 1 | 🔥 Weak Fire⚡ Immune Thunder | In groups |
| Merfolk Raider | 1042 | 43 | 50 | 5~12 | 3 | ⚡ Weak Thunder❄ Immune Ice | — |
| Tide Caller | 941 | 29 | 30 | 6~14 | 3 | ⚡ Weak Thunder | Ranged AttackSummons Drifting Jellyfish |
| Coral Guardian | 1680 | 41 | 28 | 7~15 | 4 | ⚡ Weak Thunder | — |
| Sea Urchin Ball | 706 | 28 | 28 | 5~10 | 2 | 🔥 Weak Fire | — |
| Siren | 1042 | 34 | 44 | 5~12 | 3 | ⚡ Weak Thunder | — |
| Sea Serpent | 1848 | 48 | 44 | 7~15 | 4 | ⚡ Weak Thunder❄ Immune Ice | — |
| Lobster Barbarian | 1378 | 48 | 34 | 6~14 | 3 | ⚡ Weak Thunder❄ Immune Ice | Earth Shock |
| Pearl Shell | 1512 | 29 | 20 | 7~15 | 3 | ⚡ Weak Thunder | — |
| Leviathan Larva | 2184 | 49 | 44 | 7~15 | 4 | ⚡ Weak Thunder❄ Immune Ice | — |
| Water Elemental | 1042 | 34 | 40 | 5~12 | 3 | ⚡ Weak Thunder❄ Immune Ice | — |
| Salt Tide Elemental | 1008 | 35 | 38 | 5~12 | 3 | ⚡ Weak Thunder❄ Immune Ice | — |
| Fountain Spirit | 806 | 31 | 34 | 5~10 | 2 | ⚡ Weak Thunder❄ Immune Ice | Earth Shock |
| Drowned Soul | 874 | 35 | 40 | 5~10 | 2 | ⚡ Weak Thunder | — |
| Drowned One | 1848 | 55 | 26 | 4~9 | 3 | No elemental weakness | Life Drain |
| Abyssal Angler | 504 | 25 | 34 | 4~9 | 2 | ⚡ Weak Thunder | Ranged AttackKiting |
| Reef Titan Crab | 2269 | 43 | 24 | 4~9 | 3 | ❄ Weak Ice🔥 Resist Fire | Heavy Armor |
| Saltmarsh Ghoul | 706 | 29 | 64 | 4~9 | 2 | 🔥 Weak Fire☠ Resist Poison | Toxic Attack |
| Siren Spawn | 286 | 15 | 60 | 1~4 | 1 | No elemental weakness | Agile Maneuver |
| Abyssal Priest | 874 | 24 | 28 | 4~9 | 2 | No elemental weakness | Ranged AttackSummons Siren Spawn |
| Thunder Eel | 706 | 29 | 64 | 4~9 | 2 | 🔥 Weak Fire⚡ Immune Thunder | Adds Frost |
| Coral Sentinel | 2269 | 43 | 24 | 4~9 | 3 | No elemental weakness | Thorns |
| Bloated Corpse | 403 | 53 | 40 | 4~9 | 2 | 🔥 Weak Fire☠ Resist Poison | Death Detonation |
| Tide Wraith | 874 | 59 | 62 | 4~9 | 2 | No elemental weakness | Stealth Approach |
| Mire Weaver | 941 | 29 | 36 | 4~9 | 2 | No elemental weakness | WeakenRanged Barrage |