| Crude Radiant Heart+3 | Any [F / Y] attack that hits an enemy builds temporary Remnant Spark. Martial-type Phantom Edges consume temporary Remnant Spark first and deal 7% more damage. Maximum Sha-Chi increased by 5%. | Refined Indigo Crystal x1, 144,000 Remnant Dust |
| Crude Radiant Heart+4 | Any [F / Y] attack that hits an enemy builds temporary Remnant Spark. Martial-type Phantom Edges consume temporary Remnant Spark first and deal 7% more damage. Maximum Sha-Chi increased by 10%. | Refined Indigo Crystal x1, 216,000 Remnant Dust |
| Crude Radiant Heart+5 | Any [F / Y] attack that hits an enemy builds temporary Remnant Spark. Martial-type Phantom Edges consume temporary Remnant Spark first and deal 7% more damage. Maximum Sha-Chi increased by 15%. | Refined Indigo Crystal x1, 288,000 Remnant Dust |
| Crude Radiant Heart+6 | Any [F / Y] attack that hits an enemy builds temporary Remnant Spark. Martial-type Phantom Edges consume temporary Remnant Spark first and deal 7% more damage. Maximum Sha-Chi increased by 20%. | Refined Indigo Crystal x1, 360,000 Remnant Dust |
| Crude Radiant Heart+7 | Any [F / Y] attack that hits an enemy builds temporary Remnant Spark. Martial-type Phantom Edges consume temporary Remnant Spark first and deal 7% more damage. Maximum Sha-Chi increased by 25%. | Refined Indigo Crystal x1, 432,000 Remnant Dust |
| Crude Radiant Heart+8 | Any [F / Y] attack that hits an enemy builds temporary Remnant Spark. Martial-type Phantom Edges consume temporary Remnant Spark first and deal 7% more damage. Maximum Sha-Chi increased by 30%. | Refined Indigo Crystal x1, 504,000 Remnant Dust |