Because Taiyi wants to keep the card of ancient behemoth, it is actually an opportunity for Taiyi and also a plot need. In fact, archaea is a card to Qiu Guang. After all, there are two doors in the real world, and the ancient beast also represents the Qiu Guang incident four years ago. There must be a connection between them. Gomamon is the gate of the camp, and the special meaning mentioned in Xuannei refers to this, what's more, one day in the digital baby world = one minute in the real world, and Taiyi lives in the digital baby world Xuannei. Human vampire Warcraft has just arrived. If you choose Yagu beast, you will immediately appear in front of vampire Warcraft and be killed in seconds. After all, many children's badges didn't wake up at that time, and they were killed by seconds in minutes! Therefore, Taiyi is also lucky to choose Gomamon, which can give them time to train and avoid the vampire Warcraft that landed on the light ball.