What is upstairs is really perfunctory. . . If you have no foundation, I recommend you go to Taobao to buy props and search for "magic building blocks". This is relatively simple and effective, and there are no basic requirements. Remember to ask the store for the bishop after buying it. Liu Qian also performed this.
Disappearing Water is simpler and can be performed in a wider range. Will two be enough? Remember to practice and perform.