Spec-procs have come up a few times in the past while so I thought I'd mention Galaxy.
Someone way back requested a port of the ROM area, Galaxy. Switching over the zone was mostly easy enough but a large part of the zone were the spec-procs. These were used for fighting, healing and thieving. Since that was way beyond me, Fizban wrote triggers to represent them. If there are any problems with these triggers, they would be because of me giving him faulty data. I think that he did a fantastic job of re-creating the feel of the zone.
The zone number is 288 and most of the triggers are the spec-procs triggers. There's also a death-trap trigger in there which would have originally also been code in the original ROM version.
If any of you are familiar with the zone from other code bases and haven't tried it out yet, go see what you think.
In contrast, King Welmar's Castle, zone 150, replaces triggers with code. Just as older bases used a spec-proc to send the mayor around the main town, locking and unlocking gates, castle.c sends the king around the castle, has mobs prevent entry to certain places and even decides what the cleaning lady is going to pick up. Personally, I'd change King Welmar's l-desc but the zone is still interesting from a code vs trigger point of view.