Index entry
Fieldbinder's Codex
While attuned and not concentrating on a spell, you may use your reaction to gain advantage on one Intelligence-based skill check or Intelligence saving throw. Once used, this property can’t be used again until you complete a short rest.
Complete rules
Prepared Notes While attuned and not concentrating on a spell, you may use your reaction to gain advantage on one Intelligence-based skill check or Intelligence saving throw. Once used, this property can’t be used again until you complete a short rest.