Why was Fu Huawei killed by his apprentice in the collapse of No.3 Middle School?

Hua Fu, the fairy of the red kite, was killed by his disciples because of Hua Fu's character. Although she accepted seven apprentices, she ignored them all. Immortals are cold-tempered, not human.

Although Taixumen was founded, it often traveled around the world and was indifferent to its disciples. Several apprentices have been in a state of stocking, and there is no mutual affection at all, which is also the root cause of Hua Fu backstab. She killed the families of seven disciples who became collapsed animals. In the eyes of the disciples, she killed their families.

Folding overview 3

For centuries, mankind has been fighting against collapse. When Otto was a child, he was withdrawn and had no friends. When a small plane flew out of the fence, he met Karen unexpectedly. Karen doesn't dislike Otto because of his withdrawn personality. The pleasant and cheerful personality influenced Otto, and planted seeds in his heart that he was willing to pay for her.

Later, mankind successfully defeated unity and sealed the core of law. Keren was a fate at that time. Valkyria and Karen stumbled upon the old fate, tried to transform human beings with the energy of travelers' collapse, and conducted large-scale human experiments. In order to stop the behavior of the old fate, Keren escaped from the cherry blossom cycle in the open world with the box sealed with the French core.