Be Invincible with Thunder and Lightning at the Beginning

When Zhou Zhen was busy with gold and liver, his vision went dark and he traveled through time. Put everything first, life is the most precious. In this strange world full of monsters, ghosts, zombies, and painted skins, this sentence is regarded by Zhou Zhen as his motto. After nine years of struggling in a zombie mine, Zhou Zhen mastered the lightning technique to the point of instantaneous, ninth level, but he still felt that he was weak. Until one day, three disciples of the Dragon, Tiger and Thunder Sect appeared and brought Zhou Zhen to a hundred-year-old cold iron purple zombie...