What It Is

Investigation is a skill used with Intelligence checks when a task matches that area of expertise.

This page is a compact play reference. If a spell, feature, monster, item, or DM ruling gives a more specific instruction, use that specific instruction.

How To Use It

When the DM calls for Investigation, roll a d20 and add the relevant Intelligence modifier. Add proficiency bonus if you are proficient in the skill.

Limits And Rolls

  • The DM chooses whether a skill applies.
  • Having proficiency helps the roll, but it does not make impossible tasks possible automatically.
  • Expertise or other features can change the bonus.
  • Roll d20 + Intelligence modifier + proficiency bonus if proficient.

FAQ

What is Investigation in D&D?

Investigation is a rules reference that explains one part of character creation, exploration, combat, or spellcasting.

Read more: Investigation A stylized investigation icon representing searching and
					deduction. D&D Portal - Investigation Skill reference Investigation is a skill used for ability checks in relevant situations. Full link: https://dnd-portal.com/rules/skills/investigation/

How does Investigation work?

The Investigation page explains the rule, its requirements, and the result during play.

Read more: Investigation A stylized investigation icon representing searching and
					deduction. D&D Portal - Investigation Skill reference Investigation is a skill used for ability checks in relevant situations. Full link: https://dnd-portal.com/rules/skills/investigation/

How do you use Investigation during play?

Use the Investigation rules when the situation described on the page occurs during a game.

Read more: Investigation A stylized investigation icon representing searching and
					deduction. D&D Portal - Investigation Skill reference Investigation is a skill used for ability checks in relevant situations. Full link: https://dnd-portal.com/rules/skills/investigation/