C761 Seabed coral

According to the amount of resources a Spiritual Vein possessed, the time it would take to mine it would be different.

Generally speaking, an Inferior Grade Spiritual Vein would take at least a few years to be completely harvested, but Jiang Yi did not have that much time to waste here. He had more important things to do.

Therefore, he decided to pull everyone here to harvest the Spiritual Vein