You hurl a disorienting magical force toward one creature within range. The target makes a Constitution saving throw, Constructs and Undead automatically succeed on this save.
On a failed save, the target takes 2d4 Force damage, its Speed is halved until the start of your next turn, and on its next turn, it can take only an action or a Bonus Action (but not both). On a successful save, the target takes half as much damage only.
Using a Higher-Level Spell Slot. The damage increases by 2d4 for every spell slot level above 1.
Starting at 2nd level, when you hit a creature with a melee weapon attack, you can expend one spell slot to deal radiant damage to the target, in addition to the weapon's damage.
The extra damage is 2d8 for a 1st-level spell slot, plus 1d8 for each spell level higher than 1st, to a maximum of 5d8. The damage increases by 1d8 if the target is an undead or a fiend.