Douluo! Is the System Late? Break the Darkness with Thunder

[System + Invincibility + Violence + Pretending to be slapped in the face + Conquer the Continent] Traveling through Douluo, awakening the god-level Thunder Emperor Spirit, and becoming a Titled Douluo at the age of eighteen. Who would have expected that after so many years, the system would suddenly come to him, and then start releasing novice missions, are you kidding me? See how he becomes invincible, obtains system rewards, crushes everything and finally leads to the road of invincibility!