Introduction: Solar flares erupted and the magnetic field was disturbed, resulting in a drastic change in the Earth鈥檚 environment. Wu Peng found a system that helped him create a unique shelter which can be leveled up without an upper limit.Iron Armor / Steel Armor / Alloy Defense Arrow Tower / Machine Guns / Ammunition Tower / Laser Shooting Armor / Alloy Battlesuit / Mechanical Armor / Mech...