Token of Development

== Introduction ==
It is used to level up a hero. 
Usable at admiral Lv. 15 or above.
Obtain this item from the Guild Shop.
== How to Obtain ==
1. Go to Shop > Guild Shop 	
2. Purchase Token of Development with Guild Coins.	
== How to Use ==
1. Choose a hero you want to level up.
I chose this cute Ogre.	
2. Tap the "Token of Development" and Use it.	
3. The hero's level is increased immediately without spending any resources.
But the higher a hero's level is increased, the more token of developent will be needed.