Didn't you try using this?
https://bitbucket.org/MobiusDev/l2j_mobius/src/master/L2J_Mobius_C6_Interlude/dist/game/config/main/Physics.ini
or
https://bitbucket.org/MobiusDev/l2j_mobius/src/master/L2J_Mobius_C6_Interlude/dist/game/config/main/ClassDamage.ini