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Intelligence determines how well your character learns and reasons. This ability is important for wizards because it affects their Spellcasting ability in many ways. Creatures of animal-level instinct have Intelligence scores of 1 or 2. Any Creature capable of understanding speech has a score of at least 3. A character with an Intelligence score of 0 is comatose. Some creatures do not possess an Intelligence score. Their modifier is +0 for any Intelligence-based Skills or checks.
You apply your character's Intelligence modifier to: