Fantasy: am I Useless? I Gain a Little Insight Every Second

[First martial arts then immortal cultivation + pseudo system + decisive killing + heaven-defying comprehension + auxiliary cultivation of alchemy, weapons, formations and talismans + female protagonist (not available yet)] "My family was destroyed, the local forces were hunting me, my fiancée came to cancel the engagement, and there is only half a year left in the three-year agreement!" Gu Changsheng felt helpless that the prostitute could come to the world of immortal cultivation after her sudden death. The sky is collapsing at the beginning! By chance, I obtained a martial art left behind by a great ancestor who was at the third level of Qi Refining. Relying on the essential skill [System] for traveling through the Blue Star Dragon Kingdom, one comprehension point is added per second. Learn martial arts, destroy local forces, unify the underworld forces, collect martial arts, seek immortality, make elixirs to earn spirit stones, and become a talisman bombing demon... Half a year later. "Whoever dares to say that five spiritual roots are useless, I invite him to join the gathering under the Human Emperor Banner." He suppressed his fiancée with one hand, punched the sect’s saint, and kicked the saintly bitch. Many years later, a dark turmoil came. Gu Changsheng, standing on the pinnacle of the Immortal Emperor, suddenly looked back. It turns out that he is the biggest source of darkness. "I just wanted to avoid eating beef and pursue immortality, but how come I became a villain?" ……