Well heres mine..What I would say....to defend my self
1. The hacks I create are for development, and a learning experience for my users.
2. This sentece is clearly stated in their TOS
However if you read nexons full TOS they clearly state..
We have no liability for "hacking".
While using the Service and Software, you agree to comply with all applicable laws, rules and regulations. We reserve the right, in our sole discretion, to take any actions we deem necessary and appropriate to preserve the integrity of the Service and Software. We further reserve the right to determine what conduct is outside the "spirit" of the Service and games provided therein. While using the Service, you agree not to:
*Modify the Software, Cash Items or the Service to change "game play," including, without limitation, creating cheats and/or hacks or using third-party software to access files in the Software or Service;