The Goddess of Abundance and the Genius and Wretched Apostle

I beat the 0.0000001% odds and became an Apostle of the God of Abundance.
Sounds like a farming god, right? …So why is my starter skill Decapitation?
Chop off a head—boom, farming done.
Process crops—boom, processed.
It’s great… but how do I even explain this?