Rules/DisadvantageDisadvantageRules Glossary · SRD 5.2.1 p. 181 Add to collectionIf you have Disadvantage on a D20 Test, roll two d20s and use the lower roll. A roll can’t be affected by more than one Disadvantage, and Advantage and Disadvantage on the same roll cancel each other. See also “Playing the Game” (“D20 Tests”).