Huge Beast, Unaligned
Armor Class 15 (Natural Armor)
Hit Points 123 (13d12 + 38)
Speed 5 ft., Swim 45 ft.
Initiative +7 (17)
STR 13 mod/save (+1)
DEX 19 (mod/save +4)
CON 17 mod/save (+3)
INT 2 mod/save (-4)
WIS 13 mod/save (+1)
CHA 2 mod/save (-4)
Damage Resistances Lightning
Senses Blindsight 60 ft., Passive Perception 11
Languages –
Challenge 6 (2,300 XP)
Traits
Electrified Field. Trigger: Any creature ending its turn within 10 feet of the eel. Constitution saving throw: DC 15. Failure: 7 (2d6) Lightning damage. Success: Half damage.
Hold Breath. The eel can hold its breath for 1 hour.
Actions
Bite. Melee Weapon Attack: +7, reach 10 ft. Hit: 13 (2d8 + 4) Piercing damage plus 14 (4d6) Lightning damage, and the target can’t take Reactions until the start of the eel’s next turn.
Constrict. Strength Saving Throw: DC 15, one Large or smaller creature
the eel can see within 5 feet. Failure: 15 (2d10 + 4) Bludgeoning damage
plus 7 (2d6) Lightning damage. The target has the Grappled condition
(escape DC 15), and it has the Restrained condition until the grapple ends
Credit: Ivo Hoying/Aaron Miller