Apotheosis

You choose a creature you can see within range and infuse it with pure magic.

The target regains a number of Hit Points equal to 4d10 plus your Spellcasting Ability Modifier, and emits a wave of ascendant authority in a 30 ft. Emanation. Each creature of the target's choice within the Emanation must succeed on a Wisdom saving throw or have the Frightened condition until the end of your next turn. While Frightened in this way, a creature can't take Reactions, and must take the Dash action to move away from the source of its fear by the safest available route.

Using a Higher-Level Spell Slot. The healing increases by 2d10 per level of spell slot above 4.