Reaper's Scream

Special Rules
-This weapon deals necrotic damage
-When you roll a 20 on an attack roll, you gain 10
temp HP. Any creature that hits you with a melee
attack while you have 1 or more of these hit points
takes 10 necrotic damage.
-Once per long rest, as a bonus action, you can
cause each creature of your choice within 60 feet of
you must succeed on a DC 15 WIS save, or have the
stunned condition until the start of your next turn