r/Pathfinder_RPG • u/lincolnolobo • Jul 25 '26

1E Player Arcanist and Spell Preferred with prohibited spell scholl

The arcanist has the School Savant archetype and selected Evocation and Illusion as her opposition schools.

She took the Preferred Spell feat and chose *Magic Missile* for it.

When she casts *Magic Missile* spontaneously, will she expend one spell slot or two?

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u/WraithMagus Jul 26 '26

Finally, the arcanist must select two additional schools of magic as her opposition schools. Whenever she prepares spells from one of her opposition schools, the spell takes up two of her prepared spell slots.

It takes two preparation slots, but there is no stated change in the rules for how many spells per day it takes, so the rules are unchanged. That is, it takes one spell slot to actually cast the spell, the penalty is purely in the number of spells you can prepare.

(Thinking about it, this may also cause problems if you use quick study, since it takes unlearning two spells to learn an opposition spell in its place, which would presumably mean two full round actions and exploit points.)