You respond to an incoming attack with a magically-infused attack of your own. Make a melee spell attack against the creature that attacked you. If you hit, the creature takes 3d6 acid, cold, fire, lightning, poison, or thunder damage.

Casting Time: 1 reaction, which you take when a creature makes a melee attack against you

You attempt to interrupt a creature in the process of casting a spell. If the creature is casting a spell of 2nd-level or lower, its spell fails and has no effect.

Casting Time: 1 reaction, which you take when you are targeted with a ranged attack

Casting Time: 1 reaction which you take when you or a creature within range falls

Magic slows the descent of each target. Until the spell ends, a target’s rate of descent slows to 60 feet per round. If a target lands before the spell ends, it takes no falling damage and can land on its feet, ending the spell for that target.

Casting Time: 1 reaction, which you take in response to being damaged

Casting Time: 1 reaction, which you take when you are hit by an attack or targeted by the