| Names: Robnos and Ruku Ages: 8 and 17 Color Of Book: Light Blue |
| Spells: |
| BIRAITSU |
| REI BURUK |
| Fires a beam of blue energy out of Robnos's eyes. The beam becomes stronger in Robnos's REI BURUK state. |
| Transforms Robnos into a three eyed mamodo by sucking in his twin. This spell increases the Biraitsu spell's power. |
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