The ability to create weapons using the Forge.
Common crafted items:
Long Sword & Shields
Honing Stones (DPS Consumable)
There are the professions you will need to also level if you plan to gather all the materials yourself:
Skinning for the Rawhides.
Leatherworking to convert the rawhide into leather.
Logging to gather the wood.
Woodworking to convert the wood into timber.
Mining for iron ore.
Smelting to convert the ore into ingots.