Serum

Picture yourself awakening in a world overtaken by a baffling toxic substance, accompanied by a peculiar device affixed to your arm. Will you summon the fortitude to venture forth and persevere, or will you merely resign yourself to your impending fate? One certainty emerges: you require Serum to extend your existence. How you acquire it lies within your hands. Seek refuge, hunt for advanced technology, fashion your gear, and enhance your weaponry for self-defense. Endeavor to reach locations where this invaluable substance awaits collection. However, exercise caution, for Serum possesses the capacity to reshape your body in unforeseen manners.