There were:
Red= This was the Anchor stone of Destruction.
Green = This was the Anchor stone of Nature and Creation.
Indigo= This was the Anchor stone Mercy
Black= This was the Anchor stone of Death
Blue = This was the Anchor stone of the Sky and ocean.
Orange= The Anchor stone of Greed
White= The Anchor stone of Life and Rebirth
Gold= The Anchor stone of Healing.
Silver= The Anchor stone of Metal
Brown = The anchor stone of the Earth.
Yellow= The Anchor Stone of Fear.
Grey = The Anchor stone of Souls.
Back then, one human through years of blood, pain, and a mountain of corpses managed to climb and hold all the Stones in his hands.
The first thing he did, was to bath them in his blood for twelve days and nights in a ritual that named him their sole master.
Afterwards, he declared himself King and lorded over all the land.
With the Anchor stones, he was all powerful.