Both the Ninth stage Sovereigns battling with Alice and Reynolds were struck at the same time, temporarily losing their ability to move after the connection between them and the Puppets were forcibly cut off by Grey. The attacks of Alice and Reynolds they were trying to block against struck them without any form of defense.
One has to know that although they were Ninth stage Sovereigns, their bodies are not strong enough to take such brute attacks without any form of defense. Even if they manage to survive these attacks, their lives would surely be in danger.
