Albus Primestone: Through the Wormhole

It is said that a century ago a genius physicist discovered a way to create a wormhole generator. A discovery that could expand as never before, the vision we have of the universe. After much research on the work of this physicist whose name remains unknown, Albus Primestone found a strange map seeming to indicate the place of where the physicist carried out his research. When he went there, he discovered under a rock the entrance to an underground shelter. The adventure begins here, what is hidden in this mysterious shelter ?