The next process is as follows:
After the draw, ask Dong Xuan Lingling to send a bamboo stick, and choose the option with the code word "midnight".
Step 2: Deliver the bamboo check code. After that, she will give us a task prop "mysterious holy sign", which will be prompted for the day when it is opened.
"Genshin Impact" is set in a fantasy world called "Tivat", where those chosen by God will be endowed with the "Eye of God" to guide the power of elements.