Please be as specific as possible when letting us know what is missing or incorrect. For example, say "this game's trophy difficulty should be 8/10", with a link to a website corroborating this difficulty estimate (if possible), not "this game's trophy difficulty is wrong".
This particular Domovoy used to be a spirit guarding an ordinary family home, but when his brethren ended up imprisoned in the colossal factories he decided to lead a revolution to free all the Domovoy from slavery. The Che Domovoy Minipet DLC unlocks the Che Domovoy rare minipet (+5% Magic item find bonus, +10% Gold find bonus), a friendly monster that you can't get rid of. You will also receive a rare item: The Mephiston Helmet.