Monsters with the prefix "Yggdrasil" are like the normal variants except they additionally have the Magical creature type and they sport a cyan color scheme up to Nidhoggr's cave, a light grey color scheme afterwards.
- Yggdrasil Beetle - drop Rigid Carapace monster charms, like other beetles
- Yggdrasil Centipede
- Yggdrasil Maggot
- Yggdrasil Snake - drop the Venom Sac monster charm
- Yggdrasil Spider
- Yggdrasil Spriggan / Spriggling