Coins
Gold

It can be dropped from the field or obtained by selling items through NPCs.

A basic currency commonly used for gameplay.

How to get: DropItem sale
How to use: Buy NPC shop itemsContent Consuming Goods (Rune Growth, Alchemy, etc.)
Diamond

Purchase convenience products through the store with paid goods that can only be obtained with cash, or

You can use it directly in the in-game UI to expand your warehouse or purchase costumes.

How to get: Buy for cash
How to use: Purchase convenience productsBuy costumeRuby exchange
Ruby

It is a trade currency commonly used in the auction house, and can be obtained by exchanging for diamonds or selling items at the auction house.

It can also be used to exchange lower-grade essences or consumables in the shop.

How to get: Buy for diamondAuction house
How to use: Buy low-grade essenceBuy consumablesAuction house traded goods
Gemstone of Courage

These are goods obtained as rewards for participating in in-game content or events.

It can be exchanged for game items through the gemstone collector that appears from Act 2.

How to get: Content rewardEvent reward
How to use: Buy low-grade essenceBuy low-grade elements
Gemstone of Merit

It is a valuable asset obtained as a reward for participating in in-game content.

It can be exchanged for game items through the gemstone collector that appears from Act 2.

How to get: Ranking reward
How to use: Purchasing a high-grade essence
Guild Coin

Currency used to purchase items from Guild Shop.

Guild Seal

Currency used in Guild management.