Bevy (Patreon)

Weapon (rapier), rare (requires attunement)

An elegant rapier with a hilt resembling a pair of loyal swans.

Battle Ballet. Whenever a creature hits or misses you with a melee attack you can use your reaction to force it to make a contested Dexterity check. On a success, you use the creature's momentum against it and can move up to 10 feet without provoking opportunity attacks or move the creature 10 feet in any direction. The next attack you make against that creature until the end of your next turn is made with advantage. 

Life Bond. You can cast the Wedding rite of the Ceremony spell without expending a spell slot or requiring components between yourself and another creature. This rite lasts as long as you are attuned to this weapon or until you or the creature die. If you end this rite by breaking attunement to this weapon you can no longer attune to this weapon as it becomes displeased with your dishonest conduct. 

Break MY heart? Best think again.