Battlefield of Ten Thousand Races: I Have a Billion-Fold Critical Strike System

The tide of spiritual energy is coming, and the weak human race is coerced into a huge battlefield filled with thousands of races! In the age of great strife, Chen Xuan possesses a billion-fold critical strike system, and anything he does may trigger a critical strike! ~ Alien Demon God: Take your life! Chen Xuan: Fireball. [Ding, the number of fireballs triggers a billion-fold critical hit, and hundreds of millions of fireballs hit it. [Ding, the size of the fireball triggered a critical hit 100 million times, and a sun hit it. Alien demon god pawn!