An advanced healing chem. Ultra Stims will cause a large amount of damage after a period of time due to powerful nature of the chemicals used.
The ultra stimpak is an advanced version of super stimpak and a highly powerful healing chem. Due to the very powerful nature of the chemicals used, ultra stimpaks will cause damage after a period of time.
The construction of the ultra stimpak is made up of two regular stimpaks, with one stimpak connected to a wrist belt for immediate injection, and one connected to an intravenous bag for regulating a prolonged dose of chems over a period of time.