I recently encountered a bug on Akama server that some guild was abusing, I am not sure how they accomplished it.

The situation was such that they were able to run in and begin attacking players, as normal, however they were not pulling guards when they did so.

After the player responded and fought back, guards would spawn and promptly attack the defending players.

Not sure how it is done, hopefully someone will come forward and report the method but for the time being, I thought I would post here to inform.