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Sea Serpent

Serpentine monsters which live in the sea, ranging from 20' to 40' long

aquatic monster serpent sea creature neutral animal

Basic Fantasy Role-Playing Game

BFRPG

Armor Class17
Hit Dice6
Number AppearingWild 2d6
Attacks1 bite
Damage2d6
MovementSwim 50' (10')
Save AsFighter: 6
Morale8
XP500
Treasure TypeNone
Sea serpents are, obviously, serpentine monsters which live in the sea. They range from 20’ to 40’ long. A sea serpent can choose to wrap around a ship and constrict; in this case, roll 2d10 for damage to the vehicle, and reduce any effective Hardness by half.

Special Abilities

Constrict Ship: Can wrap around a ship and constrict; roll 2d10 for damage to the vehicle, and reduce any effective Hardness by half.
Copyright 2006-2023 Chris Gonnerman. Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0). License

Other Sources

Old-School Essentials Classic Fantasy
Armor Class5 [14]
Hit Dice6 (27hp)
Number Appearing0 (2d6)
Attacks1 × bite (2d6) or 1 × squeeze (1d10 hull damage)
THAC014 [+5]
Movement150' (50')
Saving ThrowsD12 W13 P14 B15 S16 (3)
Morale8
AlignmentNeutral
XP275
Treasure TypeNone
20’–30’ long, serpent-like sea monsters with rows of many fins.

Special Abilities

Lunge: Up to 20’ out of water to use bite attack.
Squeeze: Coil around and crush a vessel (of equal size or smaller).
Copyright 2017-2019 Gavin Norman. Open Game License v1.0a. License
OSRIC
Armor Class5
Hit Dice10
Number Encountered1d2
Attacks2
Damage1d6/3d6
Move120-ft swimming
AlignmentNeutral
IntelligenceAnimal
XP7/1,000+12/hp
Treasure TypeNone
SizeLarge (50-ft long)
FrequencyUncommon
Lair5%
Descriptions of sea serpents vary with the region in which they are found. Sometimes they appear as giant sea snakes and other times as dragon-like serpentine creatures with legs or flippers. What is known for certain is a sea serpent can be encountered in any ocean, sea, or large body of fresh water. Sea serpents have two attacks. It has a poisonous bite for 1d6 points of damage and death in 1d4 rounds, save vs poison to negate; and a coiling attack which can crush a ship or creature in 1d6+4 (5-10) rounds. Sea serpents are very territorial but are not otherwise aggressive, only attacking when hungry. Once a sea serpent attacks, however, it is fearless and relentless and will fight to the death. Sea serpents are capable of diving to great depths and staying underwater for long periods of time. Sea serpents only lair in caves in very deep water and tend to be solitary or, at most, a mated pair.

Special Abilities

Poisonous Bite: 1d6 points of damage and death in 1d4 rounds, save vs poison to negate.
Constrict: Coiling attack which can crush a ship or creature in 1d6+4 (5-10) rounds.
Deep Diving: Capable of diving to great depths and staying underwater for long periods of time.
Territorial: Very territorial but not otherwise aggressive, only attacking when hungry. Once attacking, fearless and relentless and will fight to the death.