A short-duration armor spell Carl activates under concentrated magical fire.
Carl first uses Wisp Armor as a precaution before questioning a captive hunter. Later, when magic missiles, lightning, and fireballs hammer the tavern entrance, he activates it in the middle of the barrage.
A protective magical aura surrounding its caster.
One of Carl's immediate defenses against magical attacks.
Also appears in books you've already read — spoiler-safe to their endings: