What are you buying?
Each team base have a store, the store is an NPC near to the spawn point. The store is split in sections, each one have different kind of items. In the future we can add more items and perks to the store.
You use crystals to buy the items. Each item have its own price and can only be bought using the specific crystal in the price.
As the time pases in the current match, more items are added to the store.