Weapon (Glaive), Very Rare (Requires Attunement)
Grown from a cutting of the Dreaming Bloom of the Heartweave, its long petaled blade shivers with borrowed sleep. You have a +2 bonus to attack and damage rolls made with this magic weapon, and it deals an extra 1d6 Psychic damage on a hit.
Dreaming Edge. Immediately after you hit a creature with the glaive, you can use a Bonus Action to press the dream into the wound. The target makes a DC 17 Wisdom saving throw. On a failure, it is caught in a waking dream, becoming Incapacitated until the end of your next turn. Once used, this property can't be used again until you finish a Long Rest.
Source: Sporebound