The Logical Numerical Progression spell will increase a random Geometry subskill, the Geometric Laws subskill and the Geometry parent skill by 3 points each. A successful Intelligence/Revision roll versus 5 is required. A more powerful casting (Intelligence/Revision versus 8) will also increase ones Cryptology subskill. The effect lasts five days.
- Increase Research - Cryptology +1
- Increase Random Geometry +3
- Increase Geometry +3
- Increase Geometry - Geometric Laws +3