Berenger of the Water

Magic Resistance. Berenger has advantage on saving throws against spells and other magical effects

Legendary Resistance (3/Day). If Berenger fails a saving throw, they can choose to succeed instead.

Water Web. Any creature within the 20 ft. pool of water around Berenger must make a DEX saving throw of 12+ or be grappled every turn they are inside the pool.

Spear Dance: Melee Weapon Attack: +6 to hit, 10 ft. Multiple Targets: Berenger swings their spear around them in a 10 ft. circle. Any creature within 10 ft. must make a DEX saving throw or take 3d6 slicing damage. 

Water Spear Shunt: Ranger Weapon Attack: +8 to hit, 20-100 ft. Single Target: Berenger readies their spear, engorging it on the water it stands in and throws its spear at a creature doing 2d10 piercing damage. Creatures hit must make CON saving throw of 12+ or become grappled. Berenger pulls water from its pool to form another spear in place of the one just thrown.

Water Prison: Recharge 4, Single target, any creature within 30 ft. Berenger summons a watery hand and attempts to grab any creature within 30 ft. Target must make DEX saving throw of 12+ or become grappled for three turns. Upon an unsuccessful DEX saving throw each concurrent turn, target takes 2d4 bludgeon damage.

Erupting Dam: Upon being reduced to 1/3 health, Berenger of the water lets loose a tidal wave that hits every creature within 100 feet of them. Creatures within this radius must make a STR saving throw of 10+ or be knocked prone.

Surging Swell: Upon being reduced to 1/3 health, Berenger of the water now can re roll all attack rolls they miss.