Atmoran Frostborn

Cold Affinity

You are immune to cold damage and never suffer environmental effects of extreme cold.

Fire Vulnerability

You have vulnerability to fire damage.

Radiant Chill

Nonmagical liquids within 5 feet of you freeze into ice. Creatures that end their turn within 5 feet of you take cold damage equal to your Constitution modifier (minimum 1).

Ancestral Memory

By meditating for 10 minutes in solitude, you tap into Atmoran ancestral memories to gain proficiency in one skill or tool for 1 hour. Once you use this trait, you can’t use it again until you finish a long rest.

Usage: Once per long rest

Frost Fury

As a bonus action, you enter a berserker state of icy rage. For 1 minute, your skin hardens into ice armor: you gain temporary hit points equal to your Constitution modifier + your level, advantage on Strength and Constitution saving throws, and your AC increases by 1. Once you use this feature, you can’t use it again until you finish a short or long rest.

Usage: Once per short rest