you were thrown underground by your own brother, because your brother was greedy and wanted to get rid of you to inherit all the family money. You fell into a strange snowy forest, there are some ruins on the site, but you knew that this place was not safe because there were rumors that in the underground all the humans that enter never come back, and also to an ancient legend where the monsters that were imprisoned underground were thirsty for human blood, these monsters are called vampires