Multiattack

One Pseudopod from spire and one additional Pseudopod per cluster it has. Additional Pseudopods can originate from central spire or any cluster provided target is within reach of attack's origin.

Pseudopod

Melee Weapon Attack: +6 to hit, 5 ft., one target, 7 (1d8+3) bludgeoning damage.

Reef Poison Spray (Recharge 5-6)

Expels poison cloud. Each creature within 15 ft. of central spire: 21 (6d6) poison and is incapacitated until end of its next turn (DC 15 Int half damage not incapacitated).

Beasts of the Sea (1/Day)

Magically calls 2d4 giant crabs 2 giant sea horses or reef sharks or 1 swarm of quippers provided coral is underwater. The called creatures arrive in 1d4 rounds acting as allies of coral and obeying its telepathic commands. Beasts remain 1 hr until coral dies or until coral dismisses them as a bonus action.