Reincarnated into a Warrior's Promise with cheat systems

A college student suddenly finds himself in A Warriors Promise with a cheat system's from other world's. "Can't cultivate top level skills and martial arts no problem, Struggling to defeat the Netherworld sect too easy, Hmm now to cultivate or build a harem tough choice. Can our new hero rise to the top or will he fall trying. Set in a warriors promise novel (Warning contains some strong language)