new world computing closed after the production of "heroes of might and magic iv", and since then the rights to the franchise have been owned by ubisoft. nival interactivedeveloped the first game in the series since the changeover, "heroes of might and magic v". black hole entertainment developed its sequel "might &amp; magic heroes vi", but limbic entertainment developed later patches and the dlc, as well as "might &amp; magic heroes vii". virtuos developed the "shades of darkness"standalone expansion for "heroes vi".