Summoning Skeletons: I Found a Skill Book from the Start

Zhao Gang comes across an ad for a slap-fighting contest. Supposedly, the grand prize is a million yuan. Since he works out regularly, he decides to give it a try. Even if he can't win first prize, placing in the top ten would still earn him a hefty reward. But as soon as he steps into the ring, one slap knocks him flat and sends him straight into unconsciousness... Then he transmigrates. When he wakes up, he finds himself in an apocalypse, surrounded by zombies and mutated creatures... Trapped in a library, he suddenly notices a book glowing with dazzling light...