Escape from Wilderness and Farm: I Rely on My Spiritual Power to Become a Medicine God

The whole sect was wiped out, and I fled into the cursed land with my only copy of "The Atlas of Spiritual Plants". They laughed that I could not live for three days, but I planted the barren wasteland into an ancient medicine garden, and the emperors of the world came to kneel down and beg me for a single plant of grass!