From observance, we can see that most fighting games are fairly complex affairs, resulting from many hours of work on the part of the development staff, blending art, game play, and design.
The bulk of the game is real-time battle and exploring although a good chunk of time is involved in reading clues, solving cryptic puzzles, and manipulating camera angles.
It can almost be considered a retro RPG game these days where you have a top down view and walk around in the cities buying items, talking to citizens, and furthering the story and getting attacked constantly by enemies once outside the cities.
Would you like seeing the above in a slightly re-hashed title called Armored Core: Nine Breaker, a title that will likely drive away newcomers to the series and just barely satisfy present fans?