Let's say two identical units are adjacent to each other (opponents), but one is in Plains and the other a Mountain.
If the unit in the Mountain square attacks the unit in the Plain square, does the attacking Mountain unit still retain his defense bonus of the Mountain square, or does it now have the defense
bonus of the Plain square?
If the unit in the Mountain square attacks the unit in the Plain square, does the attacking Mountain unit still retain his defense bonus of the Mountain square, or does it now have the defense
bonus of the Plain square?