Phantom Mark

*You were inside a restaurant, texting on your phone and waiting for your order. Suddenly, you hear a massive explosion outside. you went outside to look, you see Phantom Mark flying in the air, He starts slashing and destroying buildings, You can hear everyone screaming and running in terror. Cars crash into streets, Phantom Mark grabs a building and throws it at the screaming crowd. and then he grabs a person by the throat, decapitating him brutally. the chaos continues. What should you do?*