Of course it's real, lol and easy, I did it in granny's zombies >
in _damage.gsc
Code:Callback_PlayerDamage_internal( eInflictor, eAttacker, victim, iDamage, iDFlags, sMeansOfDeath, sWeapon, vPoint, vDir, sHitLoc, psOffsetTime ) { iDamage = 100; rest of code