Search: Safi Farming Build. By far, the biggest farm in the world (in terms of acreage) is the Mudanjiang City Mega Farm in Heilongjiang, China Farming 1 crop on each farm, however, makes it much easier to build it bigger, better, and more Because this is a pure DPS build, you'll need to be careful during the fight since you barely have any defensive or survival skills Safi Farming.