I Am Invincible From the End of the World

[Invincible Shuangwen] The end times 200 years later. Lin Xinghai obtained the system, ran rampant in the apocalypse, and crushed all enemies. Rolling is cool for a while, and rolling has been cool all the time. Ding! Gain blood power +1 Ding! Gain Genetic Optimization +1% Ding! Gain firearms skill proficiency. PS: The creativity comes from the spirit cage. - Description from novelcodex.org