Obsessive Preoccupation With One Thing
This page is the CodyCross answer for the clue below from Renaissance, Group 1389, Puzzle 3 (Christine De Pizan).
Question is: Obsessive Preoccupation With One Thing
and the answer is: MONOMANIA
Word Meaning:
MONOMANIA — Excessive interest or concentration on a singular object or subject.
Definitions from Wiktionary.