Genre is a perfect means of expression. Heightening real world anxieties by way of darker, fantastical material is artful, creative and exciting. But what happens when a filmmaker’s personal exploration of their own illness, by way of demonic violence, is almost too literal? CITADEL, an Irish film from newcomer Ciaran Foy is such a work. A heavy, by all means eerie, atmospheric and strong debut, weighed down by its obvious intention.