Add all files to your existing addon folder using OpenIV the use addonpeds to add to the game.

To replace ad the sword:

Replace the files using OpenIV in:
Mods:
update/x64/dlcpacks/patchday8ng/dlc.rpf/x64/models/cdimages/weapons.rpf
update/x64/dlcpacks/patchday3ng/dlc.rpf/x64/models/cdimages/weapons.rpf
update/x64/dlcpacks/patchday2ng/dlc.rpf/x64/models/cdimages/weapons.rpf

Replaces dagger




Also attached is my suit for the SUPERMAN V2/V3 mod, I use a base of 100-150hp to gauge a normal persons durability. So all of my missions the suits will be balanced. [ EX. Batman would NEVER beatup Superman etc ]