Editing Hex Editing - Guide (section)

===== How it works ======
The number of levels is multiplied by the XXXXXXXX DWORD pointer, added to the YYYYYYYY DWORD pointer and then the skill bonus is multiplied by it (D8 4D FC). 

If we want to change the % gain per level, we only need to change the XX value. If we want to instead make the bonus additive (say x% per level, regardless of how much skill itself adds), we can replace the D805YYYYYYYY with 909090909090 (NOP) and replace the D8 4D FC with D8 45 FC. 

Therefore it is possible to have a different bonus for one skill than another.