Spellcasting. The priest is a 5th-level spellcaster. Its spellcasting ability is Charisma (spell save DC 13, +5 to hit with spell attacks). It knows the following sorcerer spells:
Cantrips (at will): chill touch, mage hand, minor illusion, prestidigitation, ray of frost
1st level (4 slots): expeditious retreat, ice knife, magic missile, shield
2nd level (3 slots): blur, hold person
3rd level (2 slots): sleet storm
Quarterstaff. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit:6 (1d8 + 2) bludgeoning damage.
Crushing Wave priests are the fanatical core of the cult. Gathering in secretive cabals, they perform dark rituals to glorify Olhydra as the embodiment of water's destructiveness. They believe that using water to kill their enemies, such as through ritual drowning, earns them Olhydra's favor.