Originally Posted by jokuzo
i bomb him, it don't work :/ there is a long moment where there is no ennemies on the screen.
you've got a picture ? a video ?
I got it in Bancho mode using the method stated above, but I did not use bombs. Just get as close as you can to the mid-boss and lock on. I think the bomb could have something to do with it not unlocking, but I am not positive. Worked for me.