Surgical Instruments are boost items obtained in the Vorax gameplay. They provide powerful special effects during the Preparation Phase, such as significantly increasing monster Quantity and Activity. They can also serve as core components for specific strategies, aiding you in training powerful Vorax monsters. In the Netherrealm, Surgical Instrument have a chance to drop when Vorax monsters are defeated. They can also be obtained when the Ultimate Activity reaches a certain level in the Surgical Preparation phase.