Zhao Hai listened to Luo Ying's words calmly, but his heart was already blooming with joy. Just as Luo Ying had said, other people did not have a way to purify water, so they could not find a good source of water to perform the water refinement technique. However, this was not a problem for Zhao Hai. One should not forget that Zhao Hai had bubbles, the mother of all water. Letting bubbles perform the water refinement technique was the best option.