Located inside the “Chid-Moska Ruins” solo dungeon. Start at Loriasel Wayshrine and follow the road going south. It will lead you straight in front of a stone ziggurat. The entrance to the dungeon is on the top. This skyshard is in a small room, located at the bottom right part of the tunnel turning north toward a big room.
Stairs leading to the entrance of the dungeon.
Chid-Moska Ruins entrance
Skyshard is behind the wall on the left.
Location on the dungeon map.