Mobs.scp
look for force code stun on the MobsID of the monster in Mobs.scp, you can find the mobsID or monsterID on cabal_msg
up for this pleased >_<
Not 100% sure, here the possible way to find it.
Data_War/WarmapX.scp
[NMap]
Server_Mob
and search the mobs with Server_Mob value
after that you can edit in Server_Mob.scp and client side...