Soldier's Syringe

Extra Info
This item might be a reference to a skill from the Starcraft series. In the game, Terran marines, and later marauders, can use a skill called "StimPack" where they take some damage in order to increase their attack speed and movement speed. The details on the Soldier's Syringe also say that users can become sick through multiple uses which might be referencing to the damage the Terran marines take.