Phoenix Soul Crystals are used to upgrade B-grade mercenaries up to level 50. They can be crafted.

Mercenary upgrades Edit

The following mercenaries can be upgraded using Phoenix Soul Crystals:

Each mercenary can be upgraded twice using Phoenix Soul Crystals. The first upgrade can be performed at level 20 and requires 50 Phoenix Soul Crystals. The second upgrade can be performed at level 50 and requires 100 Phoenix Soul Crystals.


LevelItemRequired ItemsWorkloadExp Gain/Batch
36 Phoenix-Soul-Crystal Phoenix Soul Crystal x 10 [Phoenix Jewel]×20
[Hero's Blood]×5
[Energy of Wind]×20
[Sea Element]×20
[Mysterious Vial: Wisdom]×2

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