Fluidmorpher: Each time you succeed in attacking with a water-based attack, Phelphor gains 1 Mugician Slot. Deep Troubles (3 Mugicians): As an action, you target 1 creature you see within 30 ft. of you that can see you. You force it to move up to 30 ft. in any direction. You do not benefit from an opportunity attack this way.
Tentacle. Melee Weapon Attack: +5 to hit, reach 10 ft., 1 target. Hit: (1d12+3) bludgeoning damage.
The target must succeed a (DC 12) Dexterity saving throw or become grappled until the end of their next turn.
Torrent of Water. Ranged Weapon Attack: +4 to hit, range 15 ft., 1 target. Hit: (2d8+2) bludgeoning damage.
Hydro Balls. Ranged Weapon Attack: +4 to hit, range 30 ft., 1 target. Hit: (2d4+2) bludgeoning damage.