It has come to our attention that the item "Summon of Party Leader" has been abused in a way that is not intended to be used by the development team. We will be stopping the sales of the item "Summon of Party Leader" for the time being until the issue is addressed.
However, we'd like to take this opportunity to remind you that if you get reported for abusing the system by using unauthorized 3rd party programs, your account may end up being permanently banned. This will also be applied for abusing the "Summon of Party Leader" item so please make sure not to use or test out the abuse for yourselves in order to prevent unwanted bans.
We're sorry for the inconvenience this may have caused to our players and hope to improve upon preventing such abuse from happening.