I need a book which focuses on a plotline that resembles the synopsis I am providing
The player assumes the role of Gwendolyn, the lone survivor of an otherworldly invasion that fractured London. Set in modern London and mythical Avalon, the story follows her quest to find the Holy Grail in a bid to save her sister, restore the world, and exact vengeance on the demi-gods of Avalon
by Hellishfate