Bolstering Shout

You shout a word of power into the air. Wind surges from the echoes of your voice, which carries itself far and wide. The power of your voice halts nearby foes, and bolsters your defense.

All creatures within a 15 foot radius sphere centered on you must succeed on a Wisdom saving throw, or be stunned until the start of your next turn. In addition, you gain a +1 bonus to your Armor Class until the spell ends.

At Higher Levels: When you cast this spell using a spell slot of 5th level or higher, the range of the spell's effect increases by 15 ft. and the bonus to Armor Class increases by an additional +1 for every two slot levels above the 4th.