Library / Bestiary

Megafauna, Basilosaurus

CR 12.00 Animal N Gargantuan
This immense primeval whale has a sleek body that looks more serpentine than mammal, and jaws filled with sharp teeth.

Despite their saurian name, basilosauruses are in fact oceanic mammals, and at 60 feet in length are highly formidable beasts of the sea. In appearance, they resemble greatly elongated whales, but with long, toothed jaws resembling an alligator's. Inexperienced observers often confuse a basilosaurus with a sea serpent or water orm—and in all fairness, in the aftermath of a basilosaurus attack on an unsuspecting ship, such distinctions are largely academic anyway.

A basilosaurus relies as much on vision as echolocation to find prey, but sometimes mistakes smaller ships for food. Basilosauruses have few natural predators; only supernatural monsters like krakens, thalassic behemoths, and the largest of sea serpents can truly threaten a fully grown one.

STR
41
DEX
12
CON
21
INT
2
WIS
11
CHA
6
HP
161 (17d8+85)
AC
27, touch 7, flat-footed 26 (+1 Dex, +20 natural, -4 size)
Speed
swim 40 ft.
Init
+5
Melee
bite +23 (4d6+15/19-20 plus grab), tail slap +18 (2d8+7)
BAB
+12
CMB
+31
CMD
42
Fort
+17
Ref
+11
Will
+7

swallow whole (4d6+15 bludgeoning damage, AC 20, 16 hp)

hold breath

Diehard, Endurance, Great Fortitude, Improved Critical (bite), Improved Initiative, Iron Will, Power Attack, Skill Focus (Perception), Vital Strike

Perception +25, Swim +31

Details
Type
Animal
Alignment
N
Size
Gargantuan
Environment
any oceans
Senses
blindsense 60 ft., low-light vision; Perception +25
Source
Bestiary 3