Giant Soul Jewels are used to upgrade B-grade melee mercenaries to their hero ranks. They are been crafted.
Mercenary upgrades[]
The following mercenaries can be upgraded using Giant Soul Jewels:
Each mercenary can be upgraded twice using Giant Soul Jewels. The first upgrade can be performed at level 80 and requires 20 Giant Soul Jewels. The second upgrade can be performed at level 100 and requires 40 Giant Soul Jewels.
Crafting[]
| Level | Item | Required Items | Workload | Exp Gain/Batch |
|---|---|---|---|---|
| 34 |  Giant Soul Jewel x 5
|
[Giant Soul Crystal]×10 [Hero's Blood]×15 [Energy of Hail]×15 [Earth Element]×50 [Mysterious Vial: Valor]×5 |
2,500,000 | 50,000 |