Captain Athelian "Black Dog" Knottley

Special Trait Name. Enter the description for your special trait.

Spellcasting. The Black Dog is a 10-level spellcaster. Its spellcasting ability is Charisma (spell save DC 19, +10 to hit with spell attacks). The Black Dog has following Paladin/Warlock spells prepared:
Cantrips (at will): Eldritch Blast, Mind Silver

1st level (6 slots): Armor of Agathys, Bless, Create or Destroy Water, Cure Wounds, Expeditious Retreat, Hex

2nd Level (4 slots): Augury, Crown of Madness, Misty Step, Hex

Multiattack. The Black Dog can take 3 attacks: 2 melee and 1 ranged. 

The R'lyeh's Scabbard. Melee Weapon Attack: +10 to hit, reach 5 ft., 1 target. Hit: 20 (2d12 + 8) slashing damage with 15 (2d6 + 3) necrotic damage. 

The Harpooner Toss. RangedWeapon Attack: +10 to hit, range 10/150 ft., 1 target. Hit:  25 (2d10 + 10) piercing damage with 15 (2d6 + 3) necrotic damage.

Enter the description for how bonus actions work for your monster here.

This creature has 3 legendary actions. [

The Maddening Laugh (Costs 1 Action). The Black Dog begins to laugh. Each creature must make a Charisma saving throw, DC 18. On a fail, they take 38 (4d12 + 14) necrotic damage, and are frightened for three rounds. On a success, they take half damage, and are mentally fine.

Forbidden Knowledge. (Costs 3 Actions). The Black Dog looks at a creature within 10 ft. This creature must make a wisdom saving throw, DC 18. On a failure, they take 20 (2d10 + 10) psychic damage, and are charmed. On a success, they take half the damage only.