"Come, Geralt, say something. Don't be so silent. Aren't witchers allowed to talk? You can tell us."
—Issa wanting to know about striga

Issa is one of the workers of Priestess Maerlina's baths, with duty to accompany customers into bath and clean them, introduced in The Witcher: Curse of Crows graphic novel. Unlike her colleague and friend, Tekla, she is willing only to scrub back. She is certainly not interested in physical type of love.