Ghostly Touch

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

Slam (Wrack Form Only)

Melee Weapon Attack: +5 to hit, 5 ft., one target, 10 (2d6+3) bludgeoning damage + 4 (1d8) necrotic. If target is Large or smaller grappled (escape DC 13). Until grapple ends target restrained and wrackwraith can't use its Slam or attack another. Target can't breathe or speak until grapple ends.

Animate Wrack

Animates wrack within 5 ft. of it pulling the debris into a protective covering over its ghostly body.

Deluge (Wrack Form Only)

Fills lungs of one creature it is grappling with seawater algae and tiny ocean debris harming creatures that breathe air or water: 14 (4d6) necrotic and chokes as lungs fill with water and debris (DC 13 Con half damage not choking). Choking creature can re-save at end of each of its turns success ends effect on itself.