Since 2007, he is an ally for the quest Straight to the Heart, along with additional Grentches, who helps you attack the Secret Lair of the Snowmen. He is the final enemy boss in its Dwayna counterpart, The Strength of Snow.
Quests involved in
- The Greatest Snowman Ever Made
- You're a Mean One, Mr. Grenth
- The Strength of Snow
- Straight to the Heart
- The Underworld, only during the quest You're a Mean One, Mr. Grenth
- Depths of Tyria
- 'Magnus' is Latin for 'large', 'great' or 'important'. His name is given in the same fashion in which animals are given their Latin, or "scientific" names.