A-hua is really busy. The little swordsman asks if the upper world after stepping through the void is A-hua's hometown; the little prince asks if there is really immortality in the world; the little ninja asks about war and the meaning of life; the little swordsman asks A-hua if he sells blue Higan flowers in the shop.
How did Ahua know this? Ahua was just completing her master's task.
Purpose: World peace