From Guild Wars 2 Wiki
- Defeat the champion (32) [Group Event]
- Immune to control effects
- Bite - Melee auto-attack. 180 range. 3 second recharge.
- Lurk - The wurm burrows underground, knocking down enemies in a point-blank area of effect and evading attacks over the next 2 seconds. 180 range. 5 second recharge.
- Frost Siege - Slow projectile attack that explodes in an area of effect where it lands, causing Chilled for 3 seconds and Launches foes. 2 second cast time. 180 radius. 180 minimum range. 3 second recharge. Unblockable. The wurm will prioritize using this skill over all others if there are no enemies within range of Bite.
- Stolen skills
|Fallen Adventurer's Backpack||Container||Exotic||1|
- Seems to respawn every 6-8 minutes after death.
- Though it shares its name with Frostmaw the Kinslayer, one of the largest and most dangerous ice wurms ever known, that Frostmaw was killed and any relation is unknown.