5e D&D Combat Encounters - Underwater

Combat Encounters include creature groups, hazards and lone npcs. Maybe a lost lizardfolk, a forest fire or a talkative druid
Encounters underwater bring visions of murky seas, vast reefs and dark depths. They might occur in a kelp bed, an underwater cave or by a long-forgotten shipwreck

tools for - dnd5e encounters underwater

level: party size: terrain: sources: type:

1 Merrow

At a cave entrance blocked by sticky seaweed by an algae-covered coral-carved chamber (a noticeable current frequently changes direction)
They are foraging for seaweed
In a fight they surrender if things go badly
Possibly... they have a Driftglobe
Difficulty... 450 Deadly

1 Killer Whale

At a shrine to a power of fertility (there is a ruined fishing boat)
They are strong swimmers (extra speed)
In a fight they attack whoever is nearest
Possibly... they have a cursed Sword of Vengeance
Difficulty... 700 Deadly

1 Killer Whale

At a coral-carved chambers and a garden of glowing sea anemones (close by is an algae-covered shipwreck)
They are exploring a cave mouth
In a fight they attack whoever is nearest
Possibly... they have a Driftglobe
Difficulty... 700 Deadly

1 Merrow

At a sandy surface on coral (the area is protected by a forest spirit)
They are exploring a magical portal
In a fight they focus all their attention on foes with expensive looking gear
Difficulty... 450 Deadly

2 Giant Octopi

At a garden of colourful soft coral (close by is a carved underwater cave)
They are exploring a magical portal
In a fight they attack whoever is largest
Difficulty... 600.0 Deadly

2 Giant Octopi

At a patch of sea grass (there is a damaged canoe)
They are haunted by another creature
In a fight they attack whoever is nearest
Possibly... they have Scroll of Protection - Beasts
Difficulty... 600.0 Deadly

2 Giant Octopi

At a barren slope. There is a patch of dense kelp with an area of magical darkness (there is an illusion of several surface beasts)
They are marked by a deity of the sea
In a fight they attack whoever is largest
Possibly... during the fight a greater power sends aid to a faithful servant
Difficulty... 600.0 Deadly

1 Merrow

At an area of open water (the area is sacred to a power of nature)
They are investigating something from the surface
In a fight they focus on foes attempting to hide
Possibly... they have a Ring of Swimming
Difficulty... 450 Deadly

1 Plesiosaurus

At an anchor with a chain leading upwards near a pile of seaweed (there is a decaying humanoid body)
They are investigating an unusual type of seaweed
In a fight they fight to the bitter end
Possibly... they have a Helm of Telepathy
Difficulty... 450 Deadly

1 Merrow

At a whale skeleton. There is a patch of black sea plants with a circular hole (there are a few unusual rocks)
They are making underwater art
In a fight they prefer to capture their foes
Possibly... they have an intricate set of dragonchess with ivory pieces using creatures of the sea
Difficulty... 450 Deadly

Encounters Mega-Bundle