DROP UPDATE: Up to +25 items can be hunt in game
PREMIUM ITEMS UPDATE:
*Premium items can be bought in vote shop
*Premium items are already +15 (Depend on the item)
*Premium items are can be upgraded up to +25
WARNING: Premium items can be reverted to 0 or vanished once you upgrade the item. Ups on your own risk.
TIPS: Use Protected Necklace before you upgrade your item to avoid vanishing your item. Protected Necklace is available in item shop.