Then just below your character profile, there is a field for Birthday.
Just search any keywords and it will show the result instantly right after you type it.
Besides that, you can also get drops in the form of items, equipment and cards.
You can filter it by Farming Method, Attribute and Race.
Regardless of their base level, White weapon can be upgrade to the maximum tier which gives the same stats that are comparable with higher level of White weapon.
Most materials needed to craft this item are always Urgently Demand from the Exchange.