CI Games cites "different visions" for the series as the reason for Tomasz Gop's departure.
Fresh details coming next month, but don't expect to see gameplay footage.
New RPG to be set in dystopian sci-fi future.
"In case you are currently searching, we have an open position as Head of Game Design."
Incorporates an all-new storyline set in a long-forgotten labyrinth that exists somewhere between the human and demonic realms.
UPDATE: Microsoft claims action-RPG "is not part of the Ultimate Game Sale", despite yesterday's discount.
Upcoming story DLC to arrive alongside next patch.