It was first published as a series of adventures in the late 1980s (specifically starting in 1989) in the Spanish magazine Líder .
The characters suffer from partial amnesia and discover they all have a mysterious symbol tattooed on their right shoulders. La bestia no debe nacer 7a.pdf
Ricard Ibáñez, a renowned Spanish historian and game designer best known for creating Aquelarre . It was first published as a series of