(hmm.. sudden thought of worst thing to do: comment Xevira's entire post…)
Ok, lots of crazy ideas here... let me see.
Armor/shield on door: cool, I support.
Sanctuary on door: what's the point? Everyone already has sanc.
Web on door: not a bad idea... but when could they actually pass? And I like the arrow thing for it... though I have yet to see a person use (cross)bows, even though I've heard they work.
Fireball/Fireproof on door: meh, I'll agree with Ertai-- we already have enough crap for this.
Barrier on door: sounds good.
Invis/Improved invis on door: again, I agree with Ertai on both.
Word of Recall on door: what's the point of this again? to make a room completely and utterly inaccessible, so that every time someone tries to enter it, they're thrown back?
Bless on door: ... why would anyone want to do this?
Dispel Magic on door: "off the door" as in removing armor/shield/fireproof from it? That wouldn't be too bad.
The fears seem... interesting. Yet again, I must agree with Ertai; to kill by these would be far too good, but decreasing hit/damroll sounds like a decent consequence for being in a feared situation... or maybe decreasing a few attributes like str or dex temporarily. I would like to hear some different ideas for the consequences here though. And though if you look at a dictionary definition of hydrophobia you'll most likely see rabies listed, most of us don't think of rabies in that way, so maybe only call that one hydrophobia.
Sanc on a room.. while it sounds like a good idea, it could easily be abused... maybe make a player not be able to cast it very often and make the duration relatively short. Just as long as someone can't hide out forever in one (or numerous) room(s) from a pker, making the room(s) safe continuously, it might be ok.. but do we really need this?
Oasis sounds more practical, but I disagree with Ertai here, and think it should definitely be for more than just 1 or 2 ticks.. maybe like 5.
Grow Vegetation sounds blah. (refers to Ertai's answer)
Grow Vines sounds interesting.. but if we would already allow web to do so, this would just be unnecessary.
Wither sounds meh. And others have a point about vamp/fiend.
Decay.. I think it's just wrong to be able to destroy someone else's hard-gotten items.
Illusionary Mob would be cool if Titans were still vuln to mental, but I believe that vulnerability was taken away. If it wasn't, this would be cool.
Hallucination sounds a bit similar to Illusionary Mob.. could have some very interesting applications, but yeah.. just don't let this happen in CPK rooms.
Chanting sounds interesting, but it's not like it's hard to get a weapon style that high.. I know mine was mastered foreverago. And yes, Ertai, I believe we monks are supposed to have a bit enhanced hand to hand damage, but it's still not as high as weapons or anything. Maybe to balance this out make it dissipating out over the duration.. like you chant before a battle, and the effect tapers off gradually.
Again, others are right about Critical Damage being way too powerful; 1/4, 1/3, or so would be good.
Counter and Fake.. meh, while counter sounds interesting, it's kind of unfair that both require the opponent to also have the skill in order to have any chance of reversing it.. and Fake doesn't seem that useful anyway.
Ugh.. that was a lot of writing and thinking.. ow ... very glad we have someone who has lots of ideas to give out, just don't do this too often.