Things in the dark
| Encounter | Location | Time | Banishable |
|---|---|---|---|
 Atrophy | |||
 Banish | |||
| Gleaming GoliathThe Iron Rig | Ooze | Any | Yes |
 Haste | |||
| Jelly Bomb | Stellar Basin | Night | Yes |
 Leviathan | Open Ocean | Any | No |
 Manifest | |||
| Miasma | Open Ocean | Night | No |
| Mimic Crab | Any | Temporarily | |
| Mind Sucker | Twisted Strand | Any | Yes |
 Monster Ray | Any | Yes | |
 NarwhalThe Pale Reach | The Pale Reach | Any | Yes |
| Night Angler | The Marrows | Night | |
| Ocular OozeThe Iron Rig | Ooze | Any | Yes |
| Ooze TentacleThe Iron Rig | Ooze | Any | Yes |
| Phantom Shark | Gale Cliffs, Twisted Strand, Stellar Basin, Devil's Spine | Yes | |
 Piranha | Devil's Spine | Any | Temporarily |
| Ravens | Day | Yes | |
 Serpent | Gale Cliffs | Any | Temporarily |
| Stellar Basin Creature | Stellar Basin | All | Yes; via research outpost or Banish. |
 Tentacle | Night | ||
| Unseeing Mother | Devil's Spine | Any | No |
 Vines | Twisted Strand | Any | Temporarily |
| Waterspout | Gale Cliffs | Day (normal); Night (aberrant) | No (normal); Yes (aberrant) |
What hunts each water
| Water | Persistent monster | Environmental hazard |
|---|---|---|
| The Marrows | Night Angler | Appearing Rocks |
| Gale Cliffs | The Serpent | Waterspout |
| Stellar Basin | Stellar Basin Creature | Jelly Bomb |
| Twisted Strand | Mind Sucker | Shifting Roots and Mushrooms |
| Devil's Spine | Unseeing Mother | Vents |
| The Pale Reach | Narwhal | Icebergs |
| The Iron Rig | Miasma |