The Demonic Cultivator Servant, Volume 1

My name is Jing Tian. I'm a menial servant in the Immortal Realm, and my only dream is to save up enough money to buy a proper cultivation manual. Then I found that black altar. It taught me supreme demonic arts and granted me immense power. Now I spend every day serving tea and water to the Immortal Elders, afraid they'll so much as glance my way. To me, this Immortal Realm is a battlefield more perilous than the Demonic Domain...