These additional treasure bags can only be obtained if the boss is killed on the player's first attempt fighting them while this mode is enabled. Additionally, the Armageddon item may be crafted at an Altar, which allows bosses to instantly kill players in one hit but yields multiple Treasure Bags based on the difficulty mode they are fought in.The Iron Heart toggles a mode that prevents natural life regeneration, consumption of Recovery Potions, and increases damage taken depending on how much maximum health the player has.The Defiled Feather disables the player's flight time.Malice Mode is a difficulty mode that makes bosses exponentially harder, giving them an "enraged" AI and heavily increasing their damage and projectile speed, but allows them to drop Challenge items and Legendary Challenge items.