Base Class: Warlock
Rellavar Danuvien was a minor elven god of cold and protection from the elements. He was primarily a god worshiped by the snow elves, and once served the god Tarsellis Meunniduin. As a member of the Seldarine, he was opposed to the drow and goblinoid deities. He was also an enemy of the goddess Auril and the frost giant deity Thrym. His subjects gain access to many of his powers, as well as hit network of fanatics.
Expanded Spell List
The Ice God lets you choose from an expanded list of spells when you learn a warlock spell, many of them tied to his nature
Embrace the Cold
You Starting at 10th level, gain resistance to cold damage of all types for 8 hours after a long rest. When taking damage, half the amount.
In My Element
Starting at 6th level, you call upon Rellavar Danuvien to protect you from the cold. During combat, when taking any type of Cold damage, roll a d4 and add the value to your armor class.
This feature resets after combat ends.
Frozen Touch
Starting at 14th level, when you hit a creature with an attack that deals cold damage, the hit has a chance to instantly freeze the target for two turns. Target also takes frostbite damage equal to it's strength modifier for the duration of the freeze. While frozen, target cannot excecute any actions and is stuck in place.
If hit by bludgeoning damage while frozen, attack roll doubles and impact area has a chance to shatter on crit.