When HP falls below 70/75/80/85/90%, increases Charged Attack DMG by 30/35/40/45/50%, and Charged Attacks become much harder to interrupt.
In Game Description
A replica of the famed sword of Arundolyn, the Lion of Light. Feel the power of a legendary hero as you hold this sword in your hand! Imagine yourself as the great warrior himself! Note: Daydreaming not recommended in live combat.
How to Get Ferrous Shadow?
Obtainable from gacha.
Weapon Upgrade Materials
Here’s all material used to upgrade Ferrous Shadow:
| Level |  Mora | Ascension Material | Material 1 | Material 2 |
| Level 20 | 5.000 |  x2 |  x2 |  x1 |
| Level 40 | 10000 |  x2 | x8 | x5 |
| Level 50 | 15.000 | x4 |  x4 |  x4 |
| Level 60 | 20.000 |  x2 | x8 | x6 |
| Level 70 | 25.000 | x4 |  x6 |  x4 |
| Level 80 | 30.000 |  x3 | x12 | x8 |