Sinister Charm

The Sinister Charm is a Hardmode accessory, combining the effects of the Shadowflame Charm and Prime Necklace into one accessory. It allows minions to inflict the Shadowflame debuff on enemies. Additionally, it increases you maximum amount of minions and increases minion damage by 10%.

Trivia

 * This weapon was originally a suggestion from Bry-ccentric on the Terraria Community Forums, along with its predecessors the Prime Necklace and Shadowflame Charm. It is a suggestion focused on shadowflame based items, and also includes items such as the Dark Spin, Shadowflame Bullet and Flask of Shadowflame.