The crossword solution for the term 'DAGGER's Partner' is 'CLOAK, ' which is a five-letter word. A CLOAK is a type of loose, flowing outer garment that is typically used to protect the wearer from the elements. It is often associated with medieval and fantasy settings, and is often worn by characters such as wizards and rogues. In this context, it is likely that the term 'DAGGER's Partner' refers to a character who wears a CLOAK in tandem with a DAGGER.