Yonna in the Solitary Fortress

Living in complete exile within a derelict mountaintop fortress, adolescent Yonna and her brother Stan protect their lives from exploitative outside forces. Both siblings possess extraordinary psychic capabilities, making them coveted assets for rival imperial factions seeking military superiority over the kingdom. When a conflicted royal undercover agent infiltrates their sanctuary, he discovers Yonna poignant longing for companionship and peaceful human existence. As imperial shock troops launch an armed assault against the citadel, Yonna must channel her volatile powers to defend her familial haven without losing her gentle moral heart.