The elegant Renaissance style lends an unaccustomed sophistication to the nightmarish superstitions of medieval Brittany incorporated in the sculpture.
The sculpture is totally elegant ignoring the medeival brute. 
mnli hypothesis: The sculpture is totally elegant ignoring the medeival brute.  premise: The elegant Renaissance style lends an unaccustomed sophistication to the nightmarish superstitions of medieval Brittany incorporated in the sculpture.