Bonus: +6% Mana.
The Sidhe map
1 - Lorestone
On an island, beside the entrance to Ysa.
2 - Lorestone
West of the ruins of Aodh.
3 - Lorestone
The stone is north of Rundamir.
4 - Lorestone
Can be found inside a small cave at the southern edge of the location.
5 - Lorestone
The last stone is on the opposite side of the lake than the second one.