Trolls of the Nine Worlds

There are many types of Trolls in the Nine Worlds, also called Trolls of the Gundersheim Caverns. They reside in the Realm Below.

It appear that those Trolls (or at least the Orange-Skinned Rock Trolls) have a weakness for iron.^[1]

Orange-Skinned Rock Trolls	Stone-Skinned Rock Trolls	Flying Trolls of Thryhem	Isle of Silence's Trolls
Cave Trolls	Cavern Trolls	Forest Trolls	Nornheim Trolls

Fire-Trolls	Lava Trolls	Ice Trolls	Four-Armed Trolls
Magzi Prime Marvel Universe (Earth-616)

References