Arcana (skills)

Arcana measures a character's knowledge of magic and magical creatures. It can also be used to sense whether an area has magical qualities. The most commonly used ability score is Intelligence. A character might use Dexterity to trace a complicated magical rune, or Wisdom to read very carefully and protect their sanity while interpreting forbidden eldritch secrets. Specialties: aberrations, constructs, detection, dragons, elementals, fey, forbidden knowledge, monstrosities, oozes, the planes.

Source: a5e-ag

Your Intelligence (Arcana) check measures your ability to recall lore about spells, magic items, eldritch symbols, magical traditions, the planes of existence, and the inhabitants of those planes.

Source: srd-2014

Recall lore about spells, magic items, and the planes of existence.

Source: srd-2024