Learn a Spell
Spend 1 hour per spell rank with a willing teacher or magical writing, expend materials matching the spell's rank cost (20 credits for 1st, scaling to 70,000 for 10th), and succeed...
You can gain access to a new spell of your tradition from someone who knows that spell or from magical writing like a spellbook or scroll. If you can cast spells of multiple traditions, you can Learn a Spell of any of those traditions, but you must use the corresponding skill to do so. For example, if you were an elemental Mystic with the Witchwarper multiclass archetype, you couldn't use Nature to add an arcane or occult spell to your witchwarper spell repertoire. To learn the spell, you must do the following: Spend 1 hour per spell rank, during which you must remain in conversation with a person who knows the spell or have the magical writing in your possession. Have materials with the Price indicated in the Learning a Spell table. Attempt a skill check for the skill corresponding to your tradition (DC determined by the GM, often close to the DC on the Learning a Spell Table). Uncommon or rare spells have higher DCs; full guidelines for the GM appear on page 52 of Starfinder GM Core . Critical Success You expend half the materials and learn the spell. Success You expend the materials and learn the spell. Failure You fail to learn the spell but can try again after you gain a level. The materials aren't expended. Critical Failure As failure, except you expend half the materials. Spell Rank Price Typical DC 1st or cantrip 20 credits 15 2nd 60 credits 18 3rd 160 credits 20 4th 360 credits 23 5th 700 credits 26 6th 1,400 credits 28 7th 3,000 credits 31 8th 6,500 credits 34 9th 15,000 credits 36 10th 70,000 credits 41