Skill Challenge: The Enchanted Mirror Maze

Dungeoneer

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This is a challenge that I cooked up for the last session I ran for my gaming group. It was the first 'explicit' skill challenge I've ever run. It went very well (from the DM's perspective :devil:) so I thought I'd share it with the world.

Setup: The party enters a large room filled with mirrors. There are so many mirrors that it is difficult to tell the layout of the room or what configuration they are in. But stumbling blindly through the room poses its own danger: these mirrors are enchanted, and gazing too long at them will cause the unwary to fall prey to their illusions!

Four successful group Perception checks (medium DC) are required to get through the room. After three failures the party finds themselves back at the start of the mirror maze and must try again or find a different route.

Each individual that fails a perception check endures the following attack:
Level+2 vs. Will; no damage, but the target believes they are under attack by some feared enemy (the target is treated as dominated for the purpose of their next action).
On a successful mirror attack: The DM describes in vivid detail the threat coming towards them. Be dramatic and pick things that the PC would have personal enmity towards. This will encourage the player to continue to attack even as they catch onto the trick.

The player MUST attack the threat with at minimum an At-Will power (remember, they count as dominated). The target is of course an illusion. Instead of hitting a monster, roll a d4 or d6 to determine another member of the party who is attacked (I just assign the player to my left as 1 and go around the table). Follow the damage and effect rules for the power used.

Breaking Mirrors: Each mirror broken gives everyone a +2 bonus to the next perception check. Characters who have been dominated or made a skill check that round cannot attack a mirror.

Skill Checks:

All skill checks besides Perception take a standard action.

Dungeoneering or History: Medium DC one-time check and the players realize that attacking the mirrors might break some of them and help them to navigate the room successfully.

Arcana or Religion: Hard DC once per player. Grants a +2 Will defense against the enchanted mirrors until the end of the challenge.

Success: You stumble suddenly into another corridor leading out of the hall. Abruptly freed from the barrage of reflections, you blink and begin to reorient yourself and take in your new surroundings.

Failure: You stumble suddenly into a corridor leading out of the hall. Wait, this looks familiar. Surely this is the way you came in?



Notes:

I love this skill challenge even though it drove my players crazy (or perhaps because of that!). It works best as an explicit skill challenge, i.e. tell your players going in that they will be making group perception checks and that they need four failures before three successes.

Don't tell them about the mirror domination, though. Let them figure that out for themselves! Once players realize that they are attacking their friends and that the monsters are illusions, it may be necessary to describe the mirror attacks as dominating to keep them attacking.

There are no physical skills associated with this challenge because in my mind this is a test of will. Still, try to reward players for their creative ideas.

In the original version of this that I used the players were pursuing someone through a tower and had to follow them through the mirror maze. Regardless you want to give them a compelling reason to attempt it. Maybe they're trapped and it's the only way out?
 

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What stopped the group realising what was going on and having the person with the highest perception lead them through while everyone else formed a chain and closed their eyes (making them immune to the mirrors dominate)?
 

What stopped the group realising what was going on and having the person with the highest perception lead them through while everyone else formed a chain and closed their eyes (making them immune to the mirrors dominate)?
Note that it's a GROUP check. If you have five players, three of them must make successful perception checks each round to get a success.
 

Note that it's a GROUP check. If you have five players, three of them must make successful perception checks each round to get a success.

The question (and it's a general problem with skill challenges) is... why? What is it that stops a single person from navigating through?

Answering "because the mechanics that I designed don't allow it" isn't going to go over too well.
 
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The question (and it's a general problem with skill challenges) is... why? What is it that stops a single person from navigating through?

Answering "because the mechanics that I designed don't allow it" isn't going to go over too well.

No? Why not? Combat has specific mechanics. The player can't decide that they want to roll a d100 for their attacks instead of a d20. Similarly, skill challenges can and do have specific mechanics. In this case, the players were told the mechanic up front. They did not complain.

I could come up with a justification about how only by using their combined resources can they overcome the yada yada yada but honestly, why? This is a skill challenge, it uses a group check. This method is detailed in the DMG2; look it up.

Of course the question of whether a player could close their eyes to gain some sort of advantage is a valid one. I would rule that if they choose to do that they are immune to the mirrors' will attack but cannot contribute to the group check that round. Which makes for an interesting trade-off, I think.
 

No? Why not? Combat has specific mechanics. The player can't decide that they want to roll a d100 for their attacks instead of a d20. Similarly, skill challenges can and do have specific mechanics. In this case, the players were told the mechanic up front. They did not complain.
If you don't get that what die a player rolls to attack is different from "this room requires at least 3 people to cross" in terms of the justification required, then I'm not sure it's possible to engage in a discussion over this.

One of them is a game mechanic designed to resolve an in-game situation, the other is a situation produced purely by a mechanic.
I could come up with a justification about how only by using their combined resources can they overcome the yada yada yada but honestly, why? This is a skill challenge, it uses a group check. This method is detailed in the DMG2; look it up.
Yup, and it really takes me out of the game when I'm told that some task which could be achieved by a single member of a group requires a skill challenge or some other "force the entire party to roll" mechanic.

You said yourself, the challenge works as an explicit skill challenge: how would it make any sense at all if it were simply presented in character to the PCs?

How would you justify the fact that if 2 members of the group want to cross the room, it's completely impossible?
Of course the question of whether a player could close their eyes to gain some sort of advantage is a valid one. I would rule that if they choose to do that they are immune to the mirrors' will attack but cannot contribute to the group check that round. Which makes for an interesting trade-off, I think.
Yeah, but as I've said before, if 4 party members close their eyes and stick bags over their heads, and the fifth one rolls above 30 on his perception check, why does that come up as a fail, apart from "because I said so"?
 

Yeah, but as I've said before, if 4 party members close their eyes and stick bags over their heads, and the fifth one rolls above 30 on his perception check, why does that come up as a fail, apart from "because I said so"?

Cause that one perception check doesn't beat the encounter. No more than if four party members closed their eyes, stuck bags over their heads, and the fifth rolled a 30 to hit a monster. A successful roll only gets you so far, and you need to have so many successes before the encounter is over.

To be fair, I don't like this as a skill challenge, I think that it's too narrow to be interesting, but I think that group checks are fine.
 

Cause that one perception check doesn't beat the encounter. No more than if four party members closed their eyes, stuck bags over their heads, and the fifth rolled a 30 to hit a monster. A successful roll only gets you so far, and you need to have so many successes before the encounter is over.

It's rare that 3 of 5 party members need to hit a monster each round in order for it to take any damage. I mean it might make for an interesting encounter, but I doubt that you would create such a creature and not have some justification for why it works that way...
 

It's rare that 3 of 5 party members need to hit a monster each round in order for it to take any damage. I mean it might make for an interesting encounter, but I doubt that you would create such a creature and not have some justification for why it works that way...

That isn't what I'm saying at all. You need at least 3 of 5 party members dealing damage each round to kill the monster before something bad happens to the party.

A skill challenge should not be "make one roll" or even "everyone make one roll." That would be a minion challenge.

"I rolled a 30" should not clear a skill challenge in a single hurdle any more than "I rolled a 30" should clear an exciting combat encounter in a single attack.

In combat the group whittles away at an abstract pool of hit points. In a skill challenge the group should be whittling away at an abstract number of successes.
 


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