Thrym was created from the corpses of local storm giants by Prince Navarius, a darkfallen warlord who resides in Zul'Drak. During  , Thrym disappears until Navarius is killed, in which case he will attack.
After killing Prince Navarius:
- MASTER! NO!
- THRYM CRUSH!
- Thrym is one of the largest creatures in World of Warcraft and can be seen from very far away.
- Thrym's name is also based off of the giant in Norse mythology that was particularly known for stealing Thor's hammer, Mjölnir.
- Thrym is one of the 3 mobs that can be easily seen from a good 10,000 yards or more. The others are , who can only be found in Icecrown and who patrols the Abyssal Depths.