Blacksmith

This is where all your weapon and armor upgrades happen. You can place gems in your weapon sockets, gem stats on gem page. You also add orbs at this location, experience (2-5%), gold (2-5%), and damage orbs (+1/+1 min/max) to weapons and protection orbs (5-10) to armor. You can do 1 at a time or sets of 100 at a time. Each stat caps at 7500% (8500% with the +100 option).

You can remove gems for 10,000 (this DESTROYS the gems).

And the holy grail, weapon stripping, You can turn your weapon into an orb to apply to another weapon to make it much stronger.