Things are about to turn violent on Once Upon a Time.

On this Sunday's "Into the Deep," Cora will stop at nothing to steal the magic compass, which includes sending many men after Snow, Mary Margaret, Aurora and Mulan in the Enchanted Forest.

Will they be successful? Or will they underestimate the power of two women, one armed with a crossbow, desperate to get back to the people they love in Storybrooke?

Click through photos from the installment now to see Snow and Emma fight back, while Cora confronts Hook...

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