Well I gave up on that last treasure and looked at your walk through. Where did you dig up all that data anyway?
Warning: spoiler information ahead (in case anyone else wnated to have a go at the adventure <img src="/images/graemlins/smile.gif" alt="" /> )
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Some comments:
On the command section I like that you could say "get all" but in some case it's more efficient to say, eg "get bottle and water" because it will pick up the bottle and then be able to get the water in one command. I haven't tested "drop pillow and vase" but it ought to work.
Dwarves:
If you just happen to be adjacent to the dragon, you can kill the dwarf 100% of the time by walking into the dragons room. Throwing the axe is more problematic. Also very important point: you can "throw axe" even if you don't have the axe. The computer inserts a "get axe" implicitily but it counts as only one command for purposes of your time and your lamp usage and doesn't give the dwarf the chance to kill you while reloading.
Pirate's maze:
I would never have got that thing with the rod and the crystal bridge but fortunately you don't need it to get to the pirate's maze. I can shorten your exit time a little through this maze. Try "out, N" after you get to the chest if you want to exit at the Brink of Pit (for access to xyzzy). If you want to exit in the Hall of Mists walk past the Brink of Pit with "W,W,W,E,E,W,up".
Oil / lamp
I don't understand how you can refuel the lamp with oil when it is electric?
Watering plant
You can just say, "Water plant". The nearest water is probably the reservoir beyond the mirror. There's a secret entrance "up" from the Slab Room. It's only (from west end of room), "W, up, N, N" and then to get back "S,S,down,S". Getting to the other place would take about double that time.
Dragon
Incidentally you can get past the dragon without killing it if you turn your lamp off and just walk in the right direction. This doesn't work for the troll or the snake. Of course with the trick you can kill the dragon early on(If you try to throw the trident at the dragon it gives you a hint). I'd grab the rug early on along with the ingot, bars, coins and jewelry drop off 4-5 treasures fast with PLUGH and only then pick up the rod.
Troll
There is an alternative method of getting past the troll (without losing treasure that is). The troll accepts payment in advance. Give him the eggs. Get some more eggs for the return tarrif and only then cross the bridge. The bear carries on following you throughout the caves -- even throught the "tight squeeze" to PLOVER. He doesn't seem to slow the dwarf down sadly... but something does. The dwarf definitely quits attacking you so much after a while....
Maps
You missed out a couple of rooms in the secret level. Down from the secret E-W canyon there's a tight canyon. It doesn't do anything but connect back to the Bedquilt. Also there's the other secret level "up" from the Bedquilt which connects to the Pirate's Maze (appears to be a random room you enter into?) and to the window room on the other side of the mirror. Again this has no real purpose although I've used it as a short cut to the maze.