The Star Flung Hammer

from the designer's blog post: A new Sword & Sorcery adventure for Index Card RPG involving a daring expedition into hostile territory and the confrontation of an unexpected cosmic horror. Something strange fell from the sky into the land of the Jötnar – and those brave souls who went in search of it never came back. Now doom is prophesied and new heroes must arise to follow the path to danger and glory – but worse things than Jötnar dwell in the mountains, and the secret of the Star-Flung Hammer is nothing that those heroes could have imagined.