An Augment Core is an alternate and enhanced combat suit for a given valkyrie. Currently, 4 valkyries have Augment Core upgrades.
Upgrade Materials
Materials needed to unlock Augment Core are suit-specific cores and Smelted Cores 
.
Suit-specific Cores
Each valkyrie with possible Augment Core has her own core type. Currently, there are 4 types.
- Fulminata Core
for upgrading Valkyrie Bladestrike's Augment Core Striker Fulminata
- Kometa Core
for upgrading Yamabuki Armor's Augment Core Drive Kometa
- Epiphanion
for upgrading Valkyrie Ranger's Augment Core Void Drifter
- Twilight Cores for upgrading Violet Executer's Augment Core Twilight Paladin
Ranking Augment Core
An Augment Core battle suit has a different set of skills the original suit. The new skills have their own levels dependent only on the ranks of the Augment Core and are not affected by replaced skills on the original suit.
An Augment Core has 6 ranks. The first rank unlocks the suit. However, most of the important skills are not available with the first rank. Subsequent ranks unlock additional skills. Below are the cores required for unlocking each rank.
| Rank | # of suit-specific cores | # of Smelted Cores
|
|---|---|---|
| ⭐ | 30 | 0 |
| ⭐⭐ | 36 | 0 |
| ⭐⭐⭐ | 42 | 0 |
| ⭐⭐⭐⭐ | 48 | 2 |
| ⭐⭐⭐⭐⭐ | 53 | 6 |
| ⭐⭐⭐⭐⭐⭐ | 58 | 12 |