I didn't tested it yet becus i don't got time for it but try it out
NOTE: This only works for GMS
Instructions (Don't be lazy to read 10 steps)
1) Download the file
2) Run the file
3) Now select your mob.wz or skill.wz at this folder:
C:\Nexon\MapleStory
Note: Your Mob.wz or Skill.wz must be clean with no edits whatsoever
4) Now click on Patch
5) Wait even if it gets to the end
6) Be happy
7) The following are optional, but recommended
8 ) Copy the Mob.bak or Skill.bak to another location that you remember
9) Rename to Mob.wz or Skill.wz
10) Now you have a backup copy of those files.
MOB
Mob.wz v2.0:
Added Damage Control (Godmode d/cs you)
Added always push back monster hack (Which means you can push back a bubbling with a 30- damage)
Added boss hp bar
Added undead hack (Forgot to mention it before)
Works on V 0.58 MS
Megaupload link: http://www.megaupload.com/nl/?d=CQDK2FD0
Mediafire link: http://www.mediafire.com/?t344bxtt4gd
Skill.wz V 3.0:
99% success rate on some skills like Final Attack
Added Teleport range hack, which is 300
Added no mp consumed client sided (Useful for Heal, teleport, and flash jump)
Added no invisible skill hack which is only useful for private servers
Megaupload link: http://www.megaupload.com/nl/?d=P022OFCK
Mediafire link: http://www.mediafire.com/?p5xjcendy3e
Credits: waxxup