Eurypterid, Jaekelopterus
- Armor Class
- 2 [17]
- Hit Dice
- 4
- Attacks
- Claw (1d6)
- Special
- poison, fear
- Move
- 3 Swim 15
- HDE/XP
- 4/120
Description
Known to some as sea scorpions, Eurypterids are amphibious arthropods related to arachnids. Primeval and voracious, these predators range in size from relatively harmless, the size of a small dog, up to large ones the size of a cow. Regardless of their size, all share one thing in common: an aggressive attitude. Eurypterids lash out at anything that might be food, happily secure in their flat, stout carapace. Although quite at home in the shallow sea (or fresh-water lake), most eurypterids are capable of scuttling around on land and can exist out of water indefinitely.
There is a small amount of evidence that some species of eurypterids are poisonous, but all of these are of the small variety. Those stung by a poisonous eurypterid must make a saving throw against poison at +2 or die.
Jaekelopterus is a terrifying creature, the largest known eurypterid. Its massive form strikes awe and fear into the hearts of those who unfortunate enough to encounter it.
With a body that stretches over 7 to 8.5 feet in length, jaekelopterus dominates the underwater world with its sheer size and power. Its segmented exoskeleton is a dark, mottled hue, providing camouflage in the murky depths it calls home. Eight long and powerful legs propel it through the water with surprising speed and agility for a creature of its size.
But it is jaekelopterus's chelicerae that truly inspire dread. Each claw measures up to 1.5 feet in length, and are capable of delivering a devastating blow to prey or foes alike. These formidable appendages are adorned with sharp, serrated edges, perfect for tearing through flesh and armor with ease.
Jaekelopterus prowls the shallow coastal regions and estuaries, where the waters are rich with prey and competition for resources fierce.
See Also
Other creatures grouped under Eurypterid: Eurypterid, Buffalopterus, Eurypterid, Megalograptus, Eurypterid, Pentecopterus.
Source note: This creature is converted from The Basic Fantasy Field Guide of Creatures Malevolent and Benign – Omnibus Edition, 1st Edition Release 4, © 2010–2025 Chris Gonnerman, R. Kevin Smoot, James Lemon, Matt Sluis, and Contributors. The Basic Fantasy Field Guide textual material is licensed under Creative Commons Attribution-ShareAlike 4.0 International; this page adapts that creature to White Box.