Grendel is a 10 point unreleased monster that was supposedly part of the Series 3 line of monsters.
Trading card text[]
(Translated from the mexican card)
Species: Biped amphibian
Born: In the 8th century
Size: 2.40 meters
Habitat: The moors of Denmark
According to legend this terrible beast grew up in a cave littered with poisonous snakes beneath a swamp full of snakes and strange creatures. He is the most evil of all. Swords are unable to penetrate his skin.