by Malcolm
You probably wont know until you get them apart... if the crackign method doesnt work, try running a razor blade aroudn the joining seem of the torso... tunil u can put something in, to leverage them apart...
As the 25th figures have different sized arm sockets to the ARAH figures, this might also be the same problem...
Although this doesnt mean you cant do waht your tryign to do, it just means you will probably have to mash them together, the entire socket joint as well as the arm... with some apoxie sculpt.