Quote Originally Posted by uaxuctum View Post
...Castle Grayskull is the centerpiece (the most iconic and essential playset) of the Eternia display (you can place both the Heroic and the Evil warriors around it)...
This is a very good point, and I agree completely. The only caveat is that Crystal Castle is hidden, so you can't really display many (actually hardly any) characters around it without creating a major shift in the canon. But still, it is more important than Snake Mountain