the pièce de résistance

the best or most important thing in a group or series The pièce de résistance of his act was to make a car vanish on stage.

Name	Pronounced	Usage
Amparo	ahm-PAH-ro	Spanish
Somayeh	-	Persian
Bennett	BEN-ət	English
Thekla	-	German (Rare), Greek (Rare), Late Greek
Lars	LAHSH (Swedish, Norwegian), LAHRS (Danish, Finnish)	Swedish, Norwegian, Danish, Finnish, Dutch, German
Wardell	-	English