A cross between Ragnar of Viking legendry and St Agnes Patron Saint of wimpy women. Agnes smiles at her victims and then easily beats them with her polite comments then incredible athleticism and surprising strength.
Ragne also means "wise", or one you can ask for advise, especially in questions of war.
Most Germanic languages have a version of this name, these names are much used in the Nordic countries, although this version is quite rare.
2: You should ask Ragne.
1: Have you seen Ragne?
2: Ragne? That's not a name!