uncommon abjuration cantrip psychic 

Cast [>] verbal

Range 60 feet; Targets 1 creature

Duration until the start of your next turn

The same abilities that let you raise or lower thermal energy also let you keep it at a safe medium. The target gains resistance 2 against fire damage and resistance 2 against cold damage.

Heightened (+1) Each resistance increases by 2.

Amp The spell's duration becomes 1 minute.

Dark Archive, page 20.