Benthic Hunter

Magical Lure. Legend tells of figures appearing in the deep ocean, illuminated as if by a dim light floating limp until being touched springing to life. A benthic hunter maintains a lure attached by a rope like tendril that can appear as a humanoid, when a creature comes within 60ft of it within water it must make a DC 16 constitution saving throw or be unable to move and gain vulnerability to slashing damage.

Apex Tracker. A Benthic Hunter knows the precise location of any creature within 10 miles of it within water, if it has wounded such a creature within 20 days it can travel without rest to its location if connected by the same water source in 1 day.

Stygian Senses. If a Benthic hunter is targeted by a spell it may immediately as a reaction tense its titanic bulk and gain resistance to all damage from that target for a turn. It may only do this once per hour.

Slime Hide. a Benthic Hunter naturally produces a quantity of slime, water within 100 ft of the hunter is classed as difficult terrain, when ending a turn in such slime the creature must make a DC 16 saving throw or gain a point of exhaustion.

Bite. Melee Weapon Attack: +7 to hit, reach 30 ft., One target. Hit: 35(6d10 + 5) Slashing damage. If hit by this attack a creature is considered grappled, the Benthic hunter must use its Gulp attack before making another bite attack.

Gulp. The Benthic Hunter draws in water in a vacuum towards it, any creature within 10ft is drawn into its mouth and swallowed, when swallowed a creature takes 10 acid damage per turn. Whilst attacking from inside the hunter act as if it has vulnerability to all damage. If 20 damage is dealt to the Benthic Hunter is immediately expels the creatures 60 ft away from its mouth in a straight line.