Exchange

== Weapon Exchange ==
Weapon exchanging allows players to obtain chosen weapon from summon shop with the cost of four (4) other qualified weapons. Instead of relying on summon rate, players can get a specific weapon that either matches particular character or has outstanding stats in comparing with others.
== How to Exchange ==
Go to Blacksmith
Choose Exchange
Choose a weapon that you want to trade for 
Choose 4 qualified weapons that you want to trade in
Conclude trade
*Note: Weapon that obtained through trade won't be available as part of trade in later.
==== Qualified weapons for trade in ====
* Memorial Sword: obtained through in-game missions or upgraded from Rusted Memorial Swords (also obtained through in-game missions).
How to upgrade Rusted Memorial Sword in to Memorial Sword
Five (5) Rusted Memorials Swords will be needed in total to upgrade into 1 Memorial Sword (1 Rusted Memorial Sword as the item and 4 others will be treated as materials). Upgrading can be done through Blacksmith per normal weapon upgrade.
* 4-star weapon obtained from shop or from free tokens on islands. Newly obtained, party evolved or max evolved weapons are all qualified for trade in.
==== Unqualified weapons for trade in ====
* 4-star weapon that is evolved from 3-star weapons.
* 4-star weapon that is obtained from Epic bosses.
* 4-star weapon that comes from Login stamp or Event quests .
* 4-star weapon that is rewarded from island completion.
* 4-star weapon that are traded for before.