Iron Plum Immortal Sect: Upgrade Everything, Starting in the Wilderness

Modern-day office drone Xiao Tiemei works herself to death after another all-nighter, only to transmigrate to the lowest rung of the cultivation world: the Blackwind Wasteland. The original body belonged to a servant disciple who was hunted down and killed. She has no spiritual roots, no cultivation, no possessions, and barely a breath left.