Redemption Jewels are used to upgrade C-grade caster mercenaries to their hero ranks. They can drop from Expert's Material Box, and they can also be crafted.

Mercenary upgrades Edit

The following mercenaries can be upgraded using Redemption Jewels:

Each mercenary can be upgraded twice using Redemption Jewels. The first upgrade can be performed at level 80 and requires 20 Redemption Jewels. The second upgrade can be performed at level 100 and requires 50 Redemption Jewels.


LevelItemRequired ItemsWorkloadExp Gain/Batch
26 Redemption-Jewel Redemption Jewel x 2 [Redemption Crystal]×40
[Energy of Wind]×5
[Storm Element Shard]×10

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