Jiang Fei and his team had unexpectedly killed all the Level 5 enemies. Now, no one would be able to stop Bella and the other three girls anymore. Although the Unknowns could use large equipment to capture them, Z0-11 and his people were around. Even if Bella and the other girls were caught, they could be easily released the next moment.
Since four Level 5 Metahumans were allowed to kill freely, the results were disastrous. Although the Mutants had individual shields, they were not really Level 5 Metahumans. They only managed to block a few attacks before they were killed.
Moreover, Jiang Fei had instantly killed a group of Level 5 Metahumans. This brought the Mutants a horrifying amount of psychological pressure. One had to know that, in the minds of Metahumans, Level 5 Metahumans were invincible. However, their invincible elders were all instantly killed by a mere teenager, so all the remaining Level 3 and 4 Mutants were almost scared to death.
