American Horror Story - Episode 3.12 - Go to Hell - Synopsis

A dying Fiona becomes even more desperate to find and destroy the new Supreme... but also wonders if she should give it up and just enjoy her final days. As the time approaches for the new Supreme to demonstrate the Seven Wonders, a dangerous ritual proving the Supreme's ability to master seven magical powers, more than one of the remaining girls begin to manifest multiple new powers. But it's Papa Legba who Queenie demonstrates her newest power to: the power to descend into Hell, and to return. Cordelia has a nightmarish vision that puts the Coven's future in question, while another vision leads her to confront the Axeman with a hard truth. Meanwhile, Queenie confronts Madame LaLaurie, who has found a new sense of ghoulish purpose, and Zoe returns to claim her destiny. And more than one person must face the consequences their actions when multiple acts of bloody vengeance are carried out... one of which may bring about the rise of the new Supreme at last.

Source:

Foxfast.com