a strange pit in DDD

[Snap]

look at the pit in level 2 in the DDD :16,20
Is it possible to close it? I'd like to pass to the other side, but of course, I can't!
please, show me the way to explore this this part of map

[sucinum]

http://www.dungeon-master.com/forum/vie ... hp?t=22728
maybe that helps you.

[Snap]

it's ok!
I'm going to try, thanks