Swift Flame (5e Equipment)
From D&D Wiki
Weapon (shortsword), legendary
Leef's family sword
Whoever wields this sword can summon their animal spirit for as long as they wield the sword. The animal spirit varies depending on who is wielding the sword, and the spirit cannot interact with the Material Plane.
You gain a +1 bonus to attack and damage rolls made with this magic weapon and on hit you deal an additional 2d8 fire damage.