Depth Domain

Clerics of the Depth Domain follow the God of the deep and serve as their eyes and ears on land.

Blessed by the Droplet

When you choose this domain at 1st level, you are able to swim with a speed equal to your walking, breathe under water, and walk on ice with no difficulty. You also gain proficiencies with Tridents and Nets.

Icy Path

At level 1 as a bonus action when you cast a spell that causes Cold damage you can target the area in a 15x15ft square around it and freeze it, making it difficult terrain. If targeting an area with water you can go to 20x20ft or to the water's edge, whichever occurs first.

You can use this feature a number of times equal to your Wisdom modifier (a minimum of once). You regain all expended uses when you finish a long rest.

Channel Divinity: Freezing Influence

Starting at 2nd level, you can use your Channel Divinity to freeze your enemies in place

As an action, when you roll Cold damage, you can use your Channel Divinity to deal maximum damage, instead of rolling.  Target makes CON save, on a failure they have halved movement speed until the end of their next turn

Immense Pressure

At level 6 as an action you can release the pressure of the depths and push back all creatures within 10ft a further 10ft directly away from you and deal 1d8. CON save is succeeded move 5ft and half damage. Any nonmagical fires in the affected radius aside from your square will be extinguished. 

After usage you are not able to use it for one turn and most not have moved more than 10ft since last using it

Freezing Strike

At 8th level, you gain the ability to infuse your weapon strikes with freezing energy. Once on each of your turns when you hit a creature with a weapon attack, you can cause the attack to deal an extra 1d8 Cold damage to the target. When you reach 14th level, the extra damage increases to 2d8.

Water Blooded

At 17th level, you are able to change your physical form and all equipment into water that can move on it's own. You gain resistance to non-magic damages and are immune to pressure-based attacks. You are unable to speak verbally.