Intelligence

Intelligence measures mental acuity, accuracy of recall, and the ability to reason.

Intelligence Checks

An Intelligence Ability Check comes into play when you need to draw on logic, education, memory, or deductive reasoning.
The Arcana, History, Investigation, Nature, and Religion Skills reflect aptitude in certain kinds of Intelligence checks.
Other Intelligence Checks. The GM might call for an Intelligence Ability Check when you try to accomplish tasks like the following:

• Communicate with a creature without using words
• Estimate the value of a precious item
• Pull together a Disguise to pass as a city guard
• Forge a document
• Recall lore about a craft or trade
• Win a game of skill

Proficiency Slots

Your Intelligence contributes to the total number of skills, tools, languages, and weapons you can become proficient with. Your Intelligence modifier determines the number of bonus proficiency slots available to your character above and beyond proficiencies available to you because of your character classes, traditions, and professional focus.

Mass Combat Maneuvers

In mass combat, your Intelligence modifier is added to any contested check to resolve conflicting orders.

Spellcasting Ability

Wizards use Intelligence as their Spellcasting ability, which helps determine the Saving Throw DCs of spells they cast.