Mangar's Tower  
 
Spoilers, Level 2

Grab the Silver Circle (the last Electronic Arts logo piece). As usual, make sure your inventory isn't full. 
BTW, you can teleport around and phase door this level. Enjoy it while you can, it's not going to last. 

1 The Spectre Snare can catch a foe and bind him lest his spirit go... 
  Silver Circle 
