As far as I know, the ranger was slain by Heretic, and since then no one managed to enter. Maybe it disrupted the process in some way, for instance he got some item required for the door, or something else...
I remember that. That could be it and explain the "randomness". But the ranger did have the gem so I assumed a bug. Still cant get in, either...
...my info... N look
In a valley of the Kharolis Mountains
You are surrounded by towering cliffs capped in pure white snow that
seem to reach to the heavens. Beautiful plant life fills the valley,
making the air clean and each breath refreshing. The contrast of sky,
mountain, and tree is absolutely breathtaking. The only eyesore is the
strange niche in the face of the cliff wall to the south.
[Exits: north]
A gourd has been wrapped in the fur of a wolf.
An elven ranger rests beneath the mountains.
...my info... N look ranger
This lovely elf seems very relaxed as he sits beneath the wonderful
surroundings. Intricate designs have been drawn and skin and clothes
alike. Dessed in comfortable green clothed, each movement of this elf
is relaxed and peacful. Even the beautiful blue eyes move slowly,
taking in ever aspect of the environment. The calm voice also reflects
the nature of the job being performed, one that seems to be very much
enjoyed.
An elven ranger is in perfect condition.
An elven ranger is using:
<worn on body> a forest green shirt
<held> (Glowing) a yellow gemstone
...my info... N