Shadow on the Stones [Guardians of the Tall Stones #3‪]‬

Shadow on the Stones continues the story of Kyra, priest of the Temple of the Sun, who, with her husband the Lord Khu-ren, has guided their civilisation to a time of spiritual strength, psychic energy, and communal peace.

But there is a shadow on the Stones -- the spreading influence of the terrible god Groth, dark god of chaos and barbarity.Only the priests of the Temple have the means to resist the tides of destruction...