In this epic conclusion to the series, Isabellae battles against ancient Celtic beasts and deities that threaten the destruction of humanity. Curious about her origins and in search of long-lost Celtic relatives, Isabellae travels to Ireland. But when the ancient druids of the Emerald Isle make a deal with the monstrous Formorian gods, Isabellae finds herself battling in a war for control with her English and Irish allies From the innovative minds...