Apocalypse Skills Every Man Should Have Starting a fire without matches or a lighter is a basic survival skill. Myth Fact None You don’t need to know how to purify water if it looks clean. Myth Fact None Navigating without a GPS is an essential apocalypse skill. Myth Fact None Hunting with modern firearms is the only reliable way to gather food. Myth Fact None Basic medical knowledge, like treating wounds and infections, is critical for survival. Myth Fact None Time's up Most Popular