Is there anyway to modify the damage caused by anything.Like in server addon it could be done by returning the damage on OnPlayerDamage()

Not currently, NTAuthority says he might fix it later.

Why not just hook the damage function.

Why not just hook the damage function.

How?

Why not just hook the damage function.

pretty sure hooking the damage function in .gsc wont allow you to modify damage.

or just reduce the health on dsr file or in game server settings....

Have a look at the finishPlayerDamage function.

Why not just hook the damage function.

pretty sure hooking the damage function in .gsc wont allow you to modify damage.

Hooking gsc functions? How would you do that with InfinityScript? Obviously I was talking about the game function.