Rare Weapon (Maul), Heavy, Two-Handed, Requires Attunement

• Deals extra 1d6 psychic damage to frightened creatures.

Flashes of Death (Recharge 5-6). Before you make an attack with this weapon, you can use your reaction to force the target to make a DC 14 Wisdom Saving Throw. On a failure, the target becomes frightened of you until the end of their next turn. 

Intrusive Whispers. You can use your bonus action to force a frightened creature to make a DC 14 Wisdom Saving Throw. On a failure, their mind becomes overwhelmed with gruesome visions of body horror. They fall prone and their speed is reduced to 0 until the end of their next turn.