Steal Warmth
3rd-level necromancy
Casting Time: 1 reaction, which you take when you take cold damage from magic
Range: Self
Components: V, S
Duration: Instantaneous
When you cast steal warmth after taking cold damage, you can select a living creature within 5 feet of you. That creature takes the cold damage instead, or half damage with a successful Constitution saving throw. You regain hit points equal to the amount of cold damage taken by the target.
At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the distance to the target you can affect with this spell increases by 5 feet for each slot level above 3rd.