DIFFICULTY:  Very Hard

MAIN THREATS:  I think you can figure this one out…

ROBOTS:  As the Boss can create any type of mech while it's alive, these are the robots initially in the mine:
         

Sort of on the small side for the final showdown, isn't it?  Don't be fooled, though—this level is no picnic.

 Boss #2

SECRET PASSAGES

TRIGGERED PASSAGES