Currencies

Gold

 * Level-up, Rank-up, and Awaken Mercenaries
 * Level-up Soul Gears
 * Soul Gear summon
 * Buy discounted stuffs in Hot Deal Shop

Diamonds

 * Recruit mercenaries and their companions
 * Buy Arena and World Arena Swords
 * Buy seasonal package
 * Buy discounted stuffs in Hot Deal Shop

Ancient Coins

 * Recruit legend mercenaries
 * Buy legend skill books
 * Buy legend's soul gears

Normal Scrolls
Recruit 1*-3* mercenaries

Class Scrolls
Recruit 3*-5* mercenaries and their companions within specific class

Premium Scrolls
Recruit 3*-5* mercenaries and their companions

Legend Scrolls
Recruit 3*-5* and have chance to get legend mercenaries and their companions

Honor Points
Used in Honor Shop.

Mystic Dust
Used in Mystic Island Trading Post

Crystals
Used for awakening mercenaries and can be obtained from Crystal Cave.

Rune Dust
Used for refining runes grade. Can be obtained from dismantling existing runes. Sometimes it can also be bought from Mystic Island Trading Post.

Upgrade Potions
Double the chances when upgrading runes. Can be bought from Guild Shop and occasionally from Mystic Island Trading Post.

Rune Beads
Change the second status from a rune with "+" symbol. Can be bought from Guild Shop and occasionally from Mystic Island Trading Post.

Soul Gear Pieces
Soul Gear pieces can be obtained from Co-op Raid and are used in Soul Gear Shop to summon mercenaries' soul gears.

Mercenary Pieces
Generally, mercenary pieces can be obtained from event mission. 5* skill book pieces can be bought from Guild Shop and also Mystic Island Trading Post. Players who are participating in World Boss will also get 4* mercenaries pieces although the pieces are limited to Jacklin and Kellan only. Once the pieces reached certain number, it can be fused and the player will get that mercenary.

Horseshoes

 * Play the campaign stories
 * Rune Temple
 * Event Dungeon