Central to the Teeth of Naros narrative is the introduction of the Kollossae. While players had encountered the Jottun and the mountain trolls in the base game, the Kollossae presented a civilized, highly religious society of giants. Standing at roughly twice the height of a human, these beings were not mere brutes to be felled; they were philosophers, priests, and guards.
For archival purposes, here is the typical SKIDROW process (circa 2012): Kingdoms Of Amalur Reckoning Teeth Of Naros DLC-SKIDROW