Cost of the 1st level:
CRP 4 Tosses use Khala for communication and learning since ancient times. They require this knowledge for opening many possibilities in the development. Besides that, fleet summoning speed increases with the mastery of psionic communications.
Comparison by level
| Lvl | Acceleration |
| 1 | x2.5 |
| 2 | x4 |
| 3 | x5.5 |
| 4 | x7 |
| 5 | x8.5 |
| 6 | x10 |
| 7 | x11.5 |
| 8 | x13 |
| 9 | x14.5 |
| 10 | x16 |