Our attack against possible defenses is that if GM were to solve game bugs, GM doesn't need to appear in the game; GM helped me out long time ago by warping my character out of somewhere but didn't appear nor I saw GM.
And, the GM's reply was so unusual that her appearance should be questioned.
Screen shot labeled as www.Ragnarok.co.kr is because that management in our server not even know how to label it properly, weaker than those of unofficial games' management.
