Hi, do you want to run l2off or l2j server? L2off is made by NCsoft and fixed by people like Vanganth, AdvExt team or me :) L2j is emulator written in Java. Both have advantages and disadvantages. L2off is better for “genuine experience”, l2j is much easier to modify (you have all source codes) but will never behave exactly as official servers. What are your plans for the server? If lowrate and retail-like, probably l2off is for you - see AdvExt, that’s easiest for beginners. If you plan heavy c
Everything could be decrypted if client already has ability to decrypt it (it has everything it needs - right algorithm, correct key, ...)
You just add your own hooks to open and decrypt files you need and dump it somewhere. @SGuard is right, it’s only about discouraging people who don’t know anything about RE.
Edit: If @LightFusionMain knows how to work with IDA and how to hook stuff, it’s easy