Back Slot
Jewel Stones for the back slots (Wings) can be bought from the Item Shop, where they are available in exchange for Diamonds.
| Type | Icon | Highest Power Level | Description |
|---|---|---|---|
| Normal |
 |
+6 |
 |
 |
+12 |
 |
|
 |
+20 |
 |
| Type | Icon | Highest Power Level | Description |
|---|---|---|---|
| Perfect |
 |
+6 |
 |
 |
+12 |
 |
|
 |
+20 |
 |