Image prompthuge prehistoric sea turtle archelon, broad ridged armored carapace, barnacles and dark algae, powerful oar-like flippers, hooked beaked scarred head, surging breach from black swamp water, drowned mangrove roots, streaming weed and foam, grey-green slate tones, murky silt-filtered light, dark fantasy, grimdark, painterly digital art, dramatic chiaroscuro lighting, muted desaturated palette with corrupted-crimson accents, weathered post-Cataclysm atmosphere, intricate high detail, cinematic composition

Archelon

Huge Beast (Dinosaur), Unaligned
CR 4SoldierSwamp / Marsh
AC 17
Initiative +3 (13)
HP 90 (12d12 + 12)
Speed 20 ft., Swim 80 ft.
STR
18
+4
save +4
DEX
16
+3
save +3
CON
13
+1
save +1
INT
4
−3
save −3
WIS
14
+2
save +2
CHA
6
−2
save −2
Skills Stealth +5
Senses Passive Perception 12
Languages None

Traits

Amphibious. The archelon can breathe air and water.

Actions

Multiattack. The archelon makes two Bite attacks.

Bite. Melee Attack Roll: Hit: +6, reach 5 ft. 14 (3d6 + 4) Piercing damage. Baboon