Board Thread:Episode Discussions/@comment-25319479-20160707112925/@comment-25549954-20160707120916

^I think those are fragments of tree or roots of tree scattered across many villages, Indra destroyed one Asura also destroyed one. These were probably scattered by Ten-Tail form of tree, the roots might have covered the whole globe.

Shinju tree sap provides water, it fertilizes the land for it's own growth and people also benefit from this but the food and water is poisonous.