Rebirth in the Apocalypse, Destroying the System Mentality at the Beginning

[Travel + apocalyptic world + system + semi-invincible + decisive killing + online IQ + funny] There's nothing a beating can't accomplish, including becoming stronger. If it doesn't work, get another beating. Oh, by the way, except for the math questions! Zhao Qingping pulled out two pieces of paper and said this to the system that was humbly asking for advice. Tongzi, who takes careful notes, He glanced at Xiao Qingping who was beaten until he was foaming at the mouth. Nodding thoughtfully, Then he looked down at himself...