| Type | Claymore |
| Rarity |  |
| How to get | Wish |
| Base Attack | 38 |
| Substats | Elemental Mastery |
| Passive | Bane of Fire and Thunder |
| Description | Increases DMG against opponents affected by Pyro or Electro by 12/15/18/21/24%. |
Table of Contents
In Game Description
A steel sword that is said to have been coated with dragon blood, rendering it invulnerable to damage. This effect is not extended to its wielder, however.
How to Get Bloodtainted Greatsword?
Obtainable from gacha.
Weapon Upgrade Materials
Here’s all material used to upgrade Bloodtainted Greatsword:
| Level |  Mora | Ascension Material | Material 1 | Material 2 |
| Level 20 | 5000 |  x2 |  x2 |  x1 |
| Level 40 | 10000 |  x2 | x8 | x5 |
| Level 50 | 15000 | x4 |  x4 |  x4 |
| Level 60 | 20000 |  x2 | x8 | x6 |
| Level 70 | 25000 | x4 |  x6 |  x4 |
| Level 80 | 30000 |  x3 | x12 | x8 |
Special Ability Based on Refinement
Just like any other weapon, Bloodtainted Greatsword also have special effect. The higher rank of weapon refinement, the effect will become stronger with highest number at refinement rank 5.
| Refinement Rank | Description |
| Refinement 1 | Increases DMG against opponents affected by Pyro or Electro by 12%. |
| Refinement 2 | Increases DMG against opponents affected by Pyro or Electro by 15%. |
| Refinement 3 | Increases DMG against opponents affected by Pyro or Electro by 18%. |
| Refinement 4 | Increases DMG against opponents affected by Pyro or Electro by 21%. |
| Refinement 5 | Increases DMG against opponents affected by Pyro or Electro by 24%. |