I Asked You to Go to the Cold Palace to Guard the Door, and You Signed the Nine Yang Magic Skill?

In the Daqian Dynasty, martial arts were respected, evil spirits resurrected, and monsters were rampant. Wang Xiao traveled through time, offended his immediate boss at the beginning, and was sent to the cold palace known as the "Warrior's Tomb" to be a low-level guard. I thought my future was ruined and I could only wait miserably to die, but I unexpectedly awakened the [Martial God Sign-in System]! As long as you sign in at a specific location, you can get incredible rewards! [Sign in successfully and obtain the great achievement "Nine Yang Divine Art", the most powerful Yang, burning all things! [Sign in successfully and obtain the great achievement "Indestructible Dharma Body", the physical body is sanctified and invulnerable to all laws! [Sign in successfully, obtain the perfect state of "Slaying Ghosts and Gods", smash the void with a knife, and kill both gods and ghosts! … Since then, the cold palace, which the outside world has avoided, has become a perfect treasure for Wang Xiao. Starting from the fourth level of the Body Tempering Realm where he was inferior to an ant, he became stronger step by step and embarked on the road to the peak of martial arts. Gradually, even the beautiful useless concubines who were relegated to the cold palace began to look at him more and more wrong... The beautiful concubine suffering from mental illness: "Your Majesty, please... Favor me once more!" Concubine Qing Leng Han, who was suffering from the cold poison in her body: "Wang Xiao, give me all your pure yang energy...!" He cruelly deposed the queen: "As long as you help me restore my throne, this world and this palace will belong to you from now on!"