Sidereal Experience Costs Trait Cost Caste/Favored Charm or Spell 9 Non-Favored Charm or Spell 11 Celestial or Terrestrial Martial Arts Charm (Martial Arts Caste or Favored) 8 Celestial or Terrestrial Martial Arts Charm (Martial Arts non-Favored) 10 New College (In-House) 2 New College (Out-of-House) 3 Increase College (In-House) (rating x 1) Increase College (Out-of-House) (rating x 2)