Prophet of Moonshae. The Druidhome Trilogy

With the Moonshae Isles facing grave danger, the daughter of King Tristan Kendrick must uncover her own divine destiny and save her home For twenty years, King Tristan and druid Queen Robyn have maintained the peace between the rival groups of Ffolk. But when Talos, the vengeful god of storms, corrals an army of monsters and servitors to destroy the Moonshae Isles, the hard-won peace starts to crack under the pressure of constant chaotic weather.
Soon, the Ffolk forsake their goddess, the Earthmother, turning to new gods for protection and survival. Now, one of the new lords has turned the worship of the Ffolk against them. It falls to Alicia, one of the royal daughters, to confront the evil that now threatens their land. Meanwhile, her younger sister has designs of her own, striking a dangerous bargain that will wreak disastrous consequences .