C317 Dark Light of Death

Can it just be one person's thing? After killing this person, wouldn't there be others? It was just like poking a hornet's nest, killing one, and then a group. If that organization was so awesome, how could he deal with this? Wasn't this just sending him to his death?

"Let's go now, but let me tell you... The people of Dark Team are very vengeful. Even if you leave now... On the contrary