Here are some explanations and informations to become a VIP
To become a VIP, you simply need to get points by buying gems or bundle in the shop menu.
This giving you the necessary VIP points and of course the rewards associated with the purchase .
list of the purchases
list of the purchases - rewards of this menu change every week
Become a VIP give you various bonuses depending on the level you will get.
Here is the list of levels with their bonuses and the necessary points:
usefull link to know the Troops in the VIP Chest each week: http://community.gemsofwar.com/t/vip-chests-anyone/2055
*I hope this guide helped you understand the VIP system, have fun!