Boneshell Lurker

Bone Mend. If the lurker starts its turn in water containing bones, it regains 3 HP as it absorbs encompassing material.

Tactical Notes: The Boneshell Lurkers begin submerged, completely invisible in the dark water. DC 15 Perception to notice them before they rise. In round 1, It surges upward on their initiative, drenching whoever is nearest. Shallow water (2 feet) counts as difficult terrain for Medium and smaller creatures but does not count as swimming.

Multi attack. The lurker makes two attacks.

Bone Slam. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: (1d8 + 3) [bludgeoning] damage

Shell Burst (Recharge 5–6). The lurker ejects shards of its shell in a 10-foot radius. All creatures in the area must make a DC 13 Dexterity saving throw, taking (3d6) [piercing] damage on a failed save or half on a success. The lurker’s AC is reduced by 2 after using this ability (to a minimum of 11).

Bone Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit 10 (1d12+4) [Piercing] damage. Target us succeed on a DC 13 Strength saving throw or be grappled. escape DC 13.

Crushing Drag (Recharge 5-6). The lurker pulls a grappled creature up to 10 feet, slams it into the ground. The target takes 11 (2d10) [bludgeoning] damage and is knocked prone

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Opportunity Attack. Spine Burst, attacker takes 5 (1d10) [piercing] Damage

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