All the killing that they were doing alarmed the angel of slavery, who was in control of the Hydra Kingdom. He sent his slaves to deal with the problem.
The slaves that the angel of slavery sent out were at the legendary level. But they couldn't be underestimated because of the existence and possible empowerment of the rank 8 Chain of Command divine ability.
In the past, Legion would have had to take this fight with caution. Their plan was to ambush a slave and deal a deadly blow to the angel of slavery before she could react.
But this time, they didn't need the element of surprise. They just went up to a slave and began to use the rank 1 mark of bondage on him.
This was the process of proving their qualifications to become an angel of slavery. As long as they can snatch the slave of an angel, then they have the right to replace that angel.
This kind of advancement requirement is straightforward, but it is very difficult to achieve. But that is, of course, for other people.
