New D&D Monster: Giant Mutant Slime Eel

Giant Mutant Slime Eel

No. Enc.: 1
Alignment: Chaotic
Movement (Swim:) 120’ (40’)
Armor Class: 4
Hit Dice: 6+1
Attacks: 2 (bite, acid slime)
Damage: 2d8/2d6
Save: F4
Morale: 8
Hoard Class: VII
XP: 680

When exposed to vile magic for a long period of time, a single Slime Eel may begin to devour its own kind, grow to an enormous size and even develop an evil cunning intelligence. Such Mutant Slime Eels can grow up to 20’ in length and 5’ in diameter, their rasplike mouths grow razor-sharp, flexible chitinous plates develop in segments along their bodies, and their feeding feelers grow longer and gain prehensile dexterity. Only their simple, primitive eye and their sickly pinkish color remain the same.

An active Mutant Slime Eel generates slime that fills the water for 10’ except that the mutant slime eel’s slime is fully acidic, doing 1d6 damage per round to every creature exposed to the slime. The Mutant Slime Eel’s slime also erodes weapons and armor: each turn roll 1d6 for every non-magical weapon or piece of armor exposed to the slime. On a roll of 1, the item is dissolved.

A Mutant Slime Eel can spit its slime as a missile weapon (40’ range), doing 2d6 damage and potentially dissolving weapons and armor as above.

Illustration by David Deitrick

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One Response to “New D&D Monster: Giant Mutant Slime Eel”

  1. Too powerful for its HD? Too much damage output? I originally gave it a 1d10 bite, reasoning that the bite will of necessity be boosted by the acid and equipment damage from the 10′ radius slime, but then the missile weapon seemed to be unreasonably superior which would make the monster’s ideal tactic to hang back and shoot slime globs, and I kind of want it to be an up-close-and-personal gargantuan horror. Thoughts?

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