As of Sep. 2, 2013, we have identified the issue listed below.

[Current Known Issues]

-Regarding the Monstrous Pledge, if a player participates in a Ballista while possessing a monster, the monster’s level is overwritten to the applicable Ballista’s level restriction.
*Normally, while it would not be possible to participate in a Ballista, this bug occurs when a player has submitted a Ballista participation request, and a possession is performed in that state.
*Please be careful not to perform a possession while making a Ballista participation request.

We apologise for any inconvenience this may have caused.