Going with the age line idea set it to age 150 . Nicolas Flamel is over 600 and Dumbles is 150ish. Easy.

Though I think I remember something about age lines not being fool proof from GoF. not quite sure on that though.

Aekiel

 

The age lines don't have to be fool proof, they're being used mostly in this context to keep the children from wandering into somewhere full of deadly traps rather than trying to keep the actual thief out.

 

Could be amusing though . Put an age line down for 150 years old and hide it under a glamour charm. Voldemort strolls up and gets blasted into the wall with a beard wrapping itself around him .

Aekiel

 

Room 1:

The first room contains a glass case, with the stone nestled within. Artfully placed candles light the stone temptingly, as the door unobtrusively locks itself behind the intruder. Nothing short of a curse that would blow up the entire thrid floor would open it, so the only thing to do is grab the stone.

Room 2:

As the intruder grabs what is in actuality a one-way portkey that has been meticulously modeled to look like the stone, they are flung to an unknown location. The intruder finds himself face-to-face with a Lethifold. After defeating the creature, the intruder has no choice (as anti-apparation wards are in effect) but to progress to room 3.

Room 3:

Entering this area, the intrruder faces a horde of angry Inferi, with added fun coming from dillusioned trap mechanisms that fire poisoned darts when a trigger section of floor is stepped on. Should these defenses not suceed, there is another door.

Room 4:

This room is a massive labirynth, with a Sphinx sitting at the end.

Room 5:

This room is composed of a long halway with vents and a trigger section halfway through. When stepped on, this causes the vents to belch nerve gas.

Room 6:

This room has ten tables on which rest 9,999 keys. An intruder "in the know" would trun and pluck the 10,000, and correct, key from the keyhole of the door behind him. This would unlock the final door.

Room 7:

This room would be a replica of the first, but with three stones, one which would portkey you into the middle of Siberia, another that would take you 5 kilometers above the Amazon Basin, and the true stone, which would take you back to the hallway of the thrid floor.

 

My idea:

Just outside the 1st door (Fluffy's) have an age line preventing any school age children from passing. Also, have the door made invisible, with an illusion of a door beside the real door. However, the doorknob of the illusion will infact be a stone covered in small needles that only poke a person very lightly, like the doorknob has a splinter. Infact, those needles are covered in draught of the living dead and basilisk poison.

If the person can see through illusions and goes into Room #1, they will be hit with several traps. First, when you open the door, it will trigger a massive rock to fall, crushing anyone below it. Inside this room there will also be a pack of acromantula. They are fast and if there are enough of them, it will be hard to hit them all with a killing curse before they get close enough to attack you.
In the middle of the stone that was dropped, there will be a key that opens the trap door. The ring to open the trapdoor will be covered in the same poison/needle combo previously mentioned.

Room #2: This will contain devils snare, but to prevent any light from being created, there will also be peruvian darkness powder. If the person tries to use fire instead, there will be 10 boxes of fireworks aimed towards the center of the room that would get lit by the fire.

Room #3: If they get though the other room, they will fall onto a bunch of spears, also covered in poison. Once the person falls through the devils snare, they will be more peruvian darkness powder and several lethifolds. There would also be a collection of charmed statues that would instantly attack. However, these statues would be covered in unbreakable charms. Once all the statues are destroyed and the lethifolds driven off, there would be chains charmed to fly from the ceiling and attack, while at the same time the floor would be enchanted to turn into fire.
Also in this room would be a locked door, requiring a person to make a sacrifice of something to pass (like in HBP). The sacrifice in this case would be a pint of blood.

Room #4: Here you would enounter a manticore. To get into the next room, you must retrieve a key from the stomach of the beast. You must also say the following password: "I love muggles and Tom Marvolo Riddle is a filthy halfblood. Voldemort was beaten by a baby."

Room #5: In this room you must fly across a pool of acid/poison, however there is also a ward that slows people down (this was used in HBP, Dumbledore disabled it when Harry and him were flying back to Hogwarts so they could go faster). This prevents you from crossing very quickly, the pool emits toxic fumes, likely killing the person. While flying across, they will be attacked by flying statues. At the end of this room, there will be a cauldron containing the same liquid that Voldemort had in the horcrux cave. This must be drank to get the key.

Room #6: Same as in the book, but in this case the vial that will get you across is located in the one marked as the one to go back. In reality, there is no potion to go back, and all the other potions are actually poisons.

Room #7: A nundu, which apparently has only been subdued by over 100 wizards working together and has breath that can kill a village. There will also be several lethifolds floating around. After defeating the nundu you must find the mirror, which is embedded in the wall, and covered with brick making it harder to find and to prevent it from getting broken.
To get the stone from the mirror, same requirements as canon




I think this would probably be difficult to get through, and if Dumbledore had to, Fawkes could take him directly to the stone. Since he would also know what is awaiting him, he could have premade portkeys to transport the nundu and dragon somewhere else. As for the lethifolds, I doubt Dumbledore would have a problem with them, a dark wizard on the other hand may have trouble casting a patronous (sp?), though that is purely speculation on my part.
Still, it should be a hard, nearly impossible challenge for people to get through

 

My first idea is to shrink the stone, cover it in anti-summoning jinxes, and shove it up Snape's ass. In all honesty, who would put their hand up that?

Edit: I didn't realize that this thread was dead. I'm sorry for being a necro.

 

Dude, don't necro. You iz gonna get raped.

 

Since the thread was necroed I might as well share my thoughts. I'm honestly surprised and disappointed that in canon Dumbledore actually had the stone hidden in the mirror. I'm not going to create my own traps because if Dumbledore was actually as intelligent as we are led to believe in canon, he could have used canon's traps with the stone never being in danger. How?

Simple misdirection/Red Herring. Have all the staff contribute their traps like in canon (that 1st years can get past), tell them that the stone is protected in the final room with a trap of your own (the Mirror of Erised), only don't put the stone in the mirror in the first place and keep it in your damn pocket. We know Quirrel was so hung up in PS over Fluffy and the 3rd floor corridor, so we know for sure that he believed the stone was actually in the passage below the trap door. If you are going to put that much time and effort into the many protections guarding the stone, then obviously the stone would actually be there, Right? Wrong. Dumbledore could have carried the stone around on his person at all times or have it hidden in his office somewhere, while leading everyone to believe that the stone was indeed in the final room. Remember, this doesn't take exceptional brain power to figure out, yet Dumbledore, who is supposedly the most skilled/intelligent/powerful etc wizard in Britain, didn't think of this. There was absolutely no need to actually risk the stone.

Actually, a reason that JKR actually had the stone in the mirror could be that it would lessen the Trio's accomplishments in getting past the traps and Harry stopping/killing Quirrel. Stopping Quirrelmort from stealing the stone and Voldemort regaining his body is a great accomplishment, but if you remove the stone from the mirror, you just have the Trio figuring out how to get past the lame traps (lame as in any half decent wizard could get past them, and remember they didn't actually think Quirrel was the culprit until Harry got to the final room), and Harry by way of his mother's protection and copious amounts of luck, vaporizing Quirrel. That's a lot less impressive than stopping Voldemort from potentially regaining his body and wreaking havoc on the wizarding world again. If you have the stone not in the mirror, there is no chance of Voldemort regaining his body, so it greatly reduces the conflict and quality of the Trio's accomplishment. Perhaps that's why JKR had the stone actually in the mirror rather than the obvious (to anyone with half a brain) ruse that I mentioned above.

 

THANK YOU! Somebody had to mention the greatest invention since sliced bread (though I'm pretty sure pointy stick have been around longer). Hell, make them punji sticks. The point (no puns for you) is to have lots and lots of pointy stabbity bits all over the place and poison the everloving fuck out of them. Then just lots and lots of things aimed at the only safe path. Once they dive for cover, deadman. Further if you can't think of fifty hojillion ways to force someone off that path, you fail at life. Fireballs, temple of doom boulders, lots and lots of arrows (poisoned), snakes, spiders, acid sprays, spells, animated swordsmen,falling rocks, logs on strings, ewoks, basilisks, Luna Lovegood, Ginny, however you can think of to trick them, force them, or just make them welcome the sweet release of death as an escape from fangirls.

 

Good idea, all falls down if he hires Indiana Jones though .

 

Set up some crazy illusive set of traps like what people have suggested that suggest certain death. Hide the unsummonable stone behind a pillar next to the door of the third corridor. Find that Quirrel!

 

Dumbledore should have just thrown it in the lake when no one was looking.

 

I'd keep the tasks the same, except I'd mortar the stone somewhere deep in the stone of the first or second room roof. Place a scrying spell in the final room and watch the fool who got there do a series of pantomimes in front of the mirror or getting steadily driven insane.

 

While I do subscribe (at least partly) the the traps set were a test for the trio, or at least Harry I do believe that we over-estimate wizards as a whole. I can't find much critical thinking training and the potion room was the hardest. These traps and challenges were mostly aimed at Voldemort, who is shown to be less then sane in the books. Tasks were quite varied and for one person to have that exact skill set would take a lot of luck.. Knowledge of magical plants of fungi, from what infer isn't the most glorious of fields. Then flying at high speed, battling a troll, two logic tests, and then a desire to find the stone, but not use it. These skills aren't exactly matching, but I always thought the final challenge was the real trap. Making it impossible to find it unless you didn'twant to use it.


edit;spelling and grammar issues. ><

 

First room: Cover the trapdoor with a carpet. Cast imperturbable, unbreakable, flame-freezing, permanent sticking, notice-me-not, and Fidelius charms on the carpet.

Problem solved.

 

All these suggestions are awesome. Room upon room upon room of protections, the final of which being a fidelus'd box with the bloody red stone itself inside with all manner of unbreakable and other charms cast on it. The box is then transfigured into a female rabbit, and dumped into an enclosure full of rabbits of different genders that have all been transfigured from different objects. Use a time turner to give them a year of uninterrupted breeding (not sure if you can, but hey)


Then let Voldemort come. Even on the slightest chance he finds the right rabbit....


Have the stone in the box that's now a heavily pregnant mother rabbit be a fake. Transfigure the real stone into cat tooth and replace one of Mrs Norris's teeth with it. Then turn the tooth you took from Mrs Norris into a length of cheese, cut the cheese into three pieces, and transfirgure each part into a rabbit, then dump the rabbits into the rabbit enclosure.

 

The ultimate defense..............Molly Weasley's knicker drawer.

 

Haha, truth. But if I were insane and really wanted to be immortal badly enough...

Besides, Voldemort hadn't had any nookie for 15+ years; Molly Weasley would be a pin-up girl to him. Blargh.

Anyways, my ideas:

Before Rm 1: Cover the trap door with a carpet, and use the room as a classroom. No one explores boring classrooms that they see every day.
Oh yeah, and don't tell the students some dumb shit like "Please, do not lift the carpet in the classroom on the third floor...blah blah horrible death blah." - that's like telling someone "Don't look down".

Rm 1 - Herbology: Devil's Snare + Peruvian Instant Darkness Powder. Have fun.

Rm 2 - Transfiguration: Animate every suit of armor to attack whoever enters the door. (Deactivation phrase would be the theme song to Fraggle Rock, or something very muggle)

Rm 3 - Care of Magical Creatures: Opening the door triggers a time delayed charm that will petrify you after 5 seconds - in front of a room of angry Hippogriffs. You know what happens if you don't bow...

Rm 4 - Charms: I Like the key/snitch idea, but I'd also have two bludgers flying around, and leave a broom and beater's bat for the victim. As soon as the broom is mounted and the bat is taken, the bludgers fly at the victim while the key hightails it. Naturally, the victim will swat at the bludger when it comes near - only to have two spring away, a la Lestrange's duplication charm. Any contact with the victim/bat/wall will result in more and more bludgers chasing after the victim.

Rm 5 - DADA: Aragog and Pals + that Confundus Haze/Mist crap from the TriWizTourney. Let the mayhem ensue.

Rm - Aberforth (cos he's the shit): Stone basin filled with unvanishable,untransfigurable Firewhiskey. Victim will be forced to drink it, leaving them unhinged enough to reach for the "stone" at the bottom. A time-delayed stinging hex will get the victim to (hopefully) open their mouth in shock, and inhale a ton of water as the time-delayed portkey sends them to the bottom of the Mariana Trench. Bubblehead charms don't matter at that depth and pressure.

Rm - Albus: The DoM's 'rotating doors' set precedent of the existence of portals. Going with this idea, I would set up the door leading to the stone to port anyone holding a wand to another "room". This "room" would lose it's protections/illusions once the door closed behind the victim, entrapping them in the center of a volcano. Then I would layer it with similiar magic-preventive wards, so that only a muggle, squib, or owner of a phoenix (Dumbledore and Flamel) could enter the room to get the Stone. I figure if wards/triggers exist to recognize magic (e.g. the boat leading to the fake locket horcrux), then there are wards to react negatively to the presence of magic.

 

Inside one of Hagrid's rock cakes, who would go near them? How about Snape's shower? You could hollow out Eloise Midgeon's personal planner..........

 

Lol'z. Quoted again for truth. However, powerful wizards can sense the presence of strong magical objects. Voldemort suckled on mutant snake tits, was coddled by Pettigrew, and possessed that fatty Bertha Jorkins - rock cakes and Snape hygiene are going to be a walk in the park for him, I promise.

As for the average Joe Wizard, I'd just pop some Skele-Gro for my teeth after chomping on the rock cakes (Or jackhammer them - that'd probably be a lot smarter), or Imperio a highly skilled Obliviator to remove only those Snape shower memories.

Oh, and I'd kill Eloise, I suppose. Spell out "Bint" in big purple zits across her forehead or somethin'...