Sahuagin Baron

Large Humanoid (Sahuagin), Lawful Evil

STR
19 (+4)
DEX
15 (+2)
CON
16 (+3)
INT
14 (+2)
WIS
13 (+1)
CHA
17 (+3)
Blood Frenzy.

The sahuagin has advantage on melee attack rolls against any creature that doesn't have all its hit points.

Limited Amphibiousness.

The sahuagin can breathe air and water, but it needs to be submerged at least once every 4 hours to avoid suffocating.

Shark Telepathy.

The sahuagin can magically command any shark within 120 feet of it, using a limited telepathy.

Actions

Multiattack.

The sahuagin makes three attacks: one with his bite and two with his claws or trident.

Bite.

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (2d4 + 4) piercing damage.

Claws.

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) slashing damage.

Trident.

Melee or Ranged Weapon Attack: +7 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 11 (2d6 + 4) piercing damage, or 13 (2d8 + 4) piercing damage if used with two hands to make a melee attack.

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Sahuagin Baron

Source: Monster Manual (2014), p. 264 - Licenses and attribution