Igula had already judged that if Yinzhi could summon many times, he should appear with Amilo. Now he is the only one, which means that the summoning authority is only once.
Now it's not that they need Yinzhi, but that Yinzhi needs them!
"In fact, I don't need your help at all." Yinzhi Youyou said, "When I gather the Holy Grail, I will send it to the unmanned scene, where it is absolutely safe. I just want you to prevent accidents. But if you want so much, I think I can bear the risk."
"One third, even lower, we might as well go home and sleep."
"Six drops."
"One fifth, can't let