Get the Writer System at the Beginning, I Can Rewrite Everything

[System + Invincibility + Space + Decisive Killing Not Holy Mother] Because Tong Yan didn't want to work overtime, he had a quarrel with his boss and resigned angrily. Tong Yan wanted to go on a trip to relax, but his plane crashed on the way. However, Tong Yan, who suffocated due to lack of oxygen, found himself in another world when he woke up and had a writer system. Tong Yan adapted to the system and rewritten the plot of this world at will. Unexpectedly, he suddenly changed a world of immortal cultivation into a game world. What! Why is the cultivation system so complicated? Rewritten, all practitioners use numbers as their cultivation levels. What! Am I actually a waste with mediocre talent and cultivation? To rephrase, I have billions of talents. What! You are only level 100 and you dare to be arrogant in front of me? I'm already level 999999999.