but if I add nop-s that also will make the file bigger :S
but if I add nop-s that also will make the file bigger :S
You don't add nops you overwrite data with nops that otherwise would corrupt the game.
Lets say the normal damage is 1000 (25 E8 07) and you want it to be only 10 (24 0a) then you have one byte too much that you have to nop away.
Code:ORIGINAL: 25 e8 07 CHANGED: 24 0a 02