Quote Originally Posted by Grey_Wolf_c View Post
Not if "progression" is measured, for example, by reaching the last room of each tunnel. That would just mean Serini didn't think of someone summoning a creature with infinite force wall spells when she set up the progress check, or even if she did, she didn't know how to check "is every creature I put in the tunnel dead" and ahd to go with the approach she could build.
I would add that, presumably, the only reason the Gate area has an access point is because Serini wants to be able to access it; and she probably doesn't want to be killing all her monsters in that situation.