The Treasures of the Sun Add-on for Dungeon Siege III has 10 achievements.
You defeated the Giant Sand Worm.
You survived your first encounter with the undead in the desert.
You spoke to the Lamasu.
You respecced your character.
You defeated High Priest Molochi.
You lit the sacred flames at all three desert shrines.
You learned the recitation in the Temple of Azunai.
You collected the sacred oil in Sandspring Cavern.
You performed the ritual and gained access to the Agallan Vault.
You met Eleanor, de facto leader of the Abbey of St. Hiram.