Hercules Beetle

The Hercules Beetle is a Hardmode, post-Plantera accessory that increases the damage of all of your minions by 15% and also increases their knockback. It is sold by the Witch Doctor for after Plantera is defeated, and can only be up for sale as long as he is within a Jungle biome and the player has the Pygmy Staff in their inventory.

Trivia

 * The Hercules Beetle is the largest species of rhinoceros beetle.