Metahumans are individuals who acquired superhuman powers after surviving the recent explosion caused by an unknown malfunction in The S.T.A.R. Labs Particle Accelerator. All Metahumans have been exposed to particles and Dark Matter that altered their genetic code or even atomic structure giving them them a variety of powers. The powers The Metahumans were given seemingly depended on what energy or matter they were directly exposed to while The Particle Accelerator Explosion Energy Wave hit them which mixed together gave them their Metahuman Power. It's currently unknown how many active Metahumans there are most at the moment have been seen in Central City and Keystone City.