一下子全都挤了进去的成语

I was originally wondering why a character like the Red Eyebrow Patriarch didn't appear when such a big event was the birth of a ferocious beast. After all, although Taiyuan City is far away from Li, it is not too far. Never mind that he would miss such an event. Are you really afraid that so many great Martial Sects and Martial Lords will become the enemies of the public as soon as they appear?...