This is really quite terrifying!
Immediately after, when everyone was in a state of shock and didn't know what to do, several 'Doll' figures started running north without saying a word, babbling about 'being discovered', 'everyone's dead', 'help', and such. This scared the NPCs who were just about to come over.
At this critical moment, many clever players who noticed they weren't yet in combat, and those who were timid, began logging off. Moreover, many who were hit by the earlier attack wave came to their senses and started scattering and fleeing.
