| Name | Item | Info |
|---|---|---|
| Upgrade Crystal |  |
For all weapons except soul items. Increases by 1 point of attack, defense and armor. The maximum upgrade is level 9. |
| Green Memory Shard |  |
Used for soul items and all weapons where physical attacks, defense and armor need to be raised. The maximum upgrade is level 9. |
| Violet Memory Shard (rare) |  |
Same as above but gives more percent |
| Blue Memory Shard (very rare) |  |
Same as above but gives the last +10 upgrade |
| * Variation with a weapon upgrade of Green Memory Shard from tier 8 to tier 9 with Violet Memory Shard will give even better values. |
