Crafting weapons should be part of Destiny. Building up you legend should also mean to make weapons and armor. Making weapons and armor could also have possibilities like making a player market. Make a player maker could make a new area to explore or could be addition to the tower. To help keep weapons and armor form being overpowered different parts add or subtract from the weapon. Plus with that you can make special weapons but to make them it will cost more or maybe it will need more material like making parts for weapon and armor. Plus there should be a thing to request a special perk for weapons and armor to make is it special.