There had always been saboteurs among the testers, and the beta was no exception. They always pretended to be ordinary testers before joining a group and luring monsters to annihilate it.
To unsuspecting eyes, at first glance, they might seem to be helping a newcomer with a task. But while accompanying the newcomer, they would stab him in the back and steal his items. Switching back and forth between two groups that were doing well to make them fight each other, and leading monsters into areas where newcomers gathered, were their basic methods. And since the Lab had a policy of never interfering directly in what happened inside the simulation, the saboteurs there were far more active than anyone expected.
