You study the archane arts and gain the fallowing:
-Increase Charisma, Wisdom or Inteligence by 1.
-You gain proficiency in the Arcana skill. If you already have proficiency then double your proficiency to checks made with this skill.
-You learn the Prestidigitation and detect magic spells. You can cast detect magic once without expending a spell slot. You regain the ability to do so when you finish a long rest.