No problem.  I found out that the reason the one event wasn't working, was that I was going straight up from the dungeon entrance, and for some reason that makes a big deal reguarding certain events.  As for the regional headers, just do a search for 2D CC and check and see all the stuff that is dependant on which region you are currently on.

I told you that all those region headers are used.  I was also thinking, how about a new script that would allow interactions to be placed in any bank you desire?  Currently it does a compare to send you to the bank that matches the parimiter, but what if you added in an extra table that gave the bank number so any interaction could be repointed anywhere in the rom?

It appears as if your reasoning is a bit off for how door directions work.  For one thing, it's not bitwise, but in fact an index that leads to events in back 0C.  Second of all, index 04 is used for an up direction door for events that have a toggle, and 08 is for an up facing door that checks to see in all enemies are defeated.  The information is within the index, and you could pretty much change it to some other event like make a key fall down.  There is also an event in Seasons that closes a door when you trigger the room's trap.  The door does not exist as 1E, but as part of the event code in that room.

I went to test out my hack, and for some reason the Maku Tree event isn't triggering properly.  It should work fine, but it doesn't.  Now I first patched my test rom that I was using to test other stuff, and it encountered an error that made lots of stuff glitch up, and one was the maku tree event.  Then I used a fresh rom and was hacking that and it seems the maku tree event still won't trigger properly.

Edit:  It seems random events just stop working.