uncommon abjuration aura cleric 

Domain protection

Cast [>>] somatic, verbal

Area 15-foot emanation

Duration sustained up to 1 minute

A protective aura emanates out from you, safeguarding you and your allies. You gain resistance 3 to all damage. Your allies also gain this resistance while they are within the area.

Heightened (+1) The resistance increases by 1.

Core Rulebook, page 395.