Collocations for heroine - noun

great
Violetta is one of the great tragic heroines of opera.

real
Cassandra is the real heroine of the story.

national (esp. BrE)
romantic, tragic
feisty (esp. BrE), plucky
feminist
unsung
She remains one of the unsung heroines of the war.

eponymous, titular
Jane Eyre, the eponymous heroine of the novel by Charlotte Brontë

fictional
action
sporting (BrE)