
Illydth-DM |

As the mid to top of the pile of cloth Dirk kicks flies aside a large baboon-like creature raises from a crouch and charges in to attack.
Creature Initiative: 1d20 + 1 ⇒ (12) + 1 = 13
Armand Initiative: 1d20 + 5 ⇒ (3) + 5 = 8
Everyone give me Initiative and actions please.
Thantos: I have Detect Magic as your round 1 action.
As the baboon like creature springs from the pile of cloth Dirk just kicked aside, you feel your vision shift into that phase between normal sight and supernatural sight where you can see bits of the magical weave existing within your world, connected to the millions and billions of worlds that make up the multi-verse.
Looking around, however, you do not notice any places where the weave of magical energy has touched this room in any recent time, except for the ubiquitous mirror shard which, just like all the rest of them you've ever examined, glows with a perpetual dull magical light that is indeterminate of type.
The most shocking, however, is that the creature attacking Dirk does not glow.

Mird Sutton by Pendin Fust |

Init 1d20 + 4 ⇒ (16) + 4 = 20
Mird's arrow whistles through the air as he shoots at the baboon, focusing on a fleshy spot.
Focused Shot 1d20 + 11 ⇒ (9) + 11 = 20
Damage 1d8 + 2 + 3 ⇒ (3) + 2 + 3 = 8
"Father Armand, behind me!" Mird quickly grabs another arrow and runs toward Armand to put himself between the baboon and the father.

Illydth-DM |

Mird's arrow comes off the bow like a streak slamming into the creature's left side, burying itself in it's ribcage...but obviously not far enough to do serious damage as the big creature screeches and continues forward, table leg in hand.
Selena waves her hand in the direction of the baboon and the silver fire that always seems to be right at her grasp, leaps off her hand in the form of small balls of light, streaking around Dirk's broad form to strike the creature and bury themselves into it's fur hide, scorching skin and obviously causing the creature pain.
Prepared for the charge, Dirk lets his huge blade hang over his head, raised, ready, just slightly wavering to the right side of his body. Eyes narrowed he watches the creature charge toward him, get hit with both the arrow and the bolts of light, stagger and keep coming. Timing perfectly, Dirk's blade flashes down and left slicing it's head clean from it's body. Following the move with a quickstep, Dirk actually steps past and around the big human like creature as it's headless body charges past and falls to the ground into a stack of bound and bundled cloth, scattering it every which way.
The corpse comes to rest on the ground, blood pooling around it, no other sound other than the heavy breathing of the group comes to you.
The afterimages/effects of the magic missile spell from Selena still burn in your vision as you can tell all of the spells properties just by looking at the threads of the weave as they touch the spot her spell struck. Other than that, however, there is still nothing magical showing about this creature.

Thantos the Mage |

Thantos shakes his head in amazement at the display of magical and martial prowess.
Poor brute never had a chance. I almost feel sorry for it. He flashes a wicked grin at the others. Almost. Still, I was able to study the creature as you all dispatched it, and unless it commands truly potent obfuscating magics,which I highly doubt considering what short work you all made of it, that beast is no more magical than Dirk's boots. No, the only magic here besides that which we have brought with us lies in that mirror shard. It almost makes me wonder, what would happen if we were to break it?
Illydth, does this world have the same taboos regarding breaking mirrors that ours does? And do Thantos' studies give him any insight as to whether that would be a good or a bad idea?

Dirk Deathtalon |

Dirk bends down to wipe the blood from his sword on the creature's fur. Standing back up he nods in agreement with Thantos.
"I've had a mind to break those shards since we found the first one."
Sliding his weapon back into its sheath, he pats the leather-bound grip with his hand. "Say the word and I'll bust it with my pommel."

Illydth-DM |

I'm sure in a world as complex as this there are probably even more superstitions than what we have in ours, or perhaps there's less as magic IS real and "fate" and "luck" is a much more tangible phenomenon...hell there's even gods to pray to and priests casting magical spells from a "Living" pantheon controlling "luck", so perhaps we don't need superstitions since I would guess you could always pay several hundred coins to some shaman or hedge wizard somewhere to "help" you get rid of lady luck's bad favor. I believe this is something I'll leave to you and your role play of your own character. Do YOU believe that breaking these mirrors will be bad luck (perhaps because of your affinity to magic you have a stronger belief in fate and luck because, perhaps, you understand where "bad luck" or "good luck" comes from), or are you a practical wizard who believes that luck is what a person makes of it...especially a person who has full control of the magical weave of this world?
Play it out however you want from a character perspective, personally in real life I never let a "superstition" (even one I believe in) stop me from a goal, but there are many who do. Even IF your character is superstitious in believing breaking mirrors is bad luck, maybe you're practical enough to do it anyway...or maybe you will and worry about it for years to come. Have fun with it, I think this is one place I don't need to rules lawyer to party. :)
As to whether your studies have given you insight on whether breaking these shards would be a good idea or not, there's no "rule of thumb" you can follow here. Even in cases where mirrors are magical gateways to something, sometimes breaking them is good (releasing prisoners) sometimes breaking them is bad (releasing creatures or destroying contents). I'll direct you at some previous knowledge checks you've made in the past as well as what you would know from studies...
1) There's a "crazy" wizard who'd claimed in the past that mirrors were the gateways to an alternate dimension/reality. The theory was floated as a hypotheses for quite some time before being, at least partially, debunked.
2) You're aware, through your studies of magical devices, of several "Magical Mirrors", such as mirrors of life trapping, that can be enchanted to actually BE portals to some kind of pocket worlds. While these mirror glass shards do not seem to work as any kind of magical mirror you've ever seem or heard of, every shard you've run into (that you've checked) is obviously magical, if only slightly.
3) You can correlate that every creature you've fought in this Tower has been in the presence of a mirror. Whether that has anything to do with it or not, you don't know since you've not seen any rooms (other than hallways) that don't have a mirror shard in them. Correlation not equaling causation, you can't tell whether this means anything or not.
4) In and of itself, the fact that EVERY ROOM so far has had a large piece of mirror glass in it, is of note. It's become very obvious, based upon your lack of seeing broken mirrors, and the odd shapes of the glass, that this stuff has had to come from SOMEWHERE, and you've not seen any kind of area so far within the tower (or outside of it in your quick search of the grounds) where this much glass could have come from.
While none of this says "break it" or "don't break it" there's little doubt in ANYONE's mind that these mirror glass shards are out of place in this tower. Broken shards of glass do not appear propped up on tables and chairs and against walls through normal means. And, at least to your knowledge, none of these pieces has grown legs and randomly walked or moved around the tower to set themselves up. You may not know the reason, but you don't doubt there is a reason these shards are here. What they're used for, why they're here, where they came from...none of these things you can answer yet...but the likelihood is that this isn't some kind of natural phenomenon.

Thantos the Mage |

Thantos shakes his head. Better to do it from a distance Dirk, just in case there is a backlash of some type. Mird, could you put a shaft through that mirror? While the rest of us stand outside, I think. Maybe from the doorway, so you can get behind it if there is a problem. Lash, Selena, what do you think?

Mird Sutton by Pendin Fust |

Mird nods his head, taking the arrow he had just pulled out of the creature, nocks it, looks back to make sure all of his companions are out of the doorway, and looses the arrow directly at the shard.
Attack w/ Focused Shot 1d20 + 10 ⇒ (14) + 10 = 24
Damage 1d8 + 2 + 3 ⇒ (2) + 2 + 3 = 7

Illydth-DM |

The arrow leaps off of Mird's bow hungrily flying straight and true toward the shard of mirror propped up against the wall.
The second the arrow leaps off the bow the majority of you twist back against the outside wall of the room, hunkered down in case of explosion, fearfully fingering your weapons in case a hoard of monsters comes pouring out of the mirror glass.
The crash and tinkle of shattering glass comes clearly and loudly to your ears, a sound as of a thousand glass shards exploding into particles, with a loud screech and snap to fill the breaks in sound of the glass.
Ducking back around the corner of the room weapons raised, you each leap in, ready to confront whatever lays in the room.
But there's nothing. Mird's arrow rests on the ground slightly back from the wall behind where the shard rested, having passed through the shard of glass with force enough to break it into 20 or 30 shards of glass, and then the larger shards themselves having broken into several pieces again as they hit the floor. The arrow head is deformed, having expended it's entire force against the very strong stone of the wall itself and the shaft is snapped at the arrowhead, the force of the shot through a pretty unresisting force of the mirror glass and into the wall behind it, snapping off the wooden shaft as the force of the strike passed up it.
You can easily pass off the huge crash and sounds as your over taught nerves playing upon your subconscious, causing the loud sound of the mirror breaking to grow to extreme proportions as your fear of what might happen takes over.
As the shards settle, their tinkle and ring diminishing as the last of the echoes play off the room's walls and are swallowed up in the soft materials laying in piles around the room, the whole tower goes back to it's normal silence, the sounds of the wind whistling through the cracks outside lessening as, finally, the storm seems to be somewhat abating.
The tenseness in your nerves starts to die out and the adrenaline rush begins to subside as moments tick by and nothing unexpected happens.

Illydth-DM |

Happy Halloween to all of you...my players! Thanks for your patience with me over the last few days of my non-posting. I'll try to post again around 2:00 (if there's something to post about) if possible to make up for my recent absence.
Your magical examination doesn't detect anything amiss.
Turning your attention to the small broken pieces on the floor you note that each one still radiates a small amount of magic, just like the larger piece did, and that that magical radiance is of no specific type. There are no linger auras of any kind of magical trigger or effect that occurred after the mirror was broken.
Mird, too, shows no signs of any kind of triggered effect or spell. Other than his various magical weapons, armor and equipment, his magical aura is clean.
From your last several hours of observation of these mirrored pieces, it's becoming clearer to you that they are not really "magical" in nature. Other than potentially having either been created by magic and/or been in contact with something HIGHLY magical, these mirror glass pieces themselves don't seem to be magical in the sense of a "magical" item or object.
The six of you begin to relax after your encounter with the creature and the destruction of the mirror glass piece. Your examination of the creature reveals that it is, indeed JUST a Baboon. Larger than you might expect, the creature is, however, normal in all respects. What a Baboon would be doing in a tower like this leaves questions in your mind, but, at minimum, this was NOT a second of the baboon like fiend creatures you encountered on the second floor.
Poking around more in the stores and other piles and goods, you find little more than you found in the last store room. There are a few additional dried food stuffs (nuts, beans, etc.) but by and large most of the same goods and materials are stored here as was in what was likely an overflow storage area.
Ok, room and corpse searched, mirror destroyed, magical detection complete. Anything else you'd like to complete while here? If not where to next?

Illydth-DM |

Each shard of mirror glass acts the same as it strikes the solid stone of a wall or floor...the glass shatters into smaller fragments and splinters creating a very loud ruckus that was probably audible out in the courtyard and, were the wind not blowing so hard and the storm not still running, may have been audible for a pretty significant distance in the still woods.
Still, nothing untoward happens with the breaking of each mirror.

Illydth-DM |

Room 1.7 seems to be a "wine cellar" of some sort. Several racks of wine and a few large kegs of beer dominate the majority of the room, with easy to traverse rows between racks of wine and access to each of the large kegs seeming to be planned out. The wines do seem to be grouped by date of production and type. You notice that none of the bottles bear any well known names or brands...all of the stuff in this room seems pretty common to you other than some obvious home-brew type of stuff.
Nothing here would be considered the "good stuff".
Delicately balanced on a set of bottle-necks facing the door on a rack right in front of you is a large, squarish, piece of mirror-glass about 2' in diameter.
Actions?

Illydth-DM |

In all cases the terms "mirror-glass" and "mirror-shards" are identical. All of these pieces you have run across so far have been made of an identical substance, a glass like substance with mirrored sides.
Other than it's size this piece of mirror glass seems to share the same properties as all the other pieces you've found so far.

Thantos the Mage |

Additionally, I don't think it's possible. While the shards are obviously magical, there is no specialized aura to them which would facilitate any type of identification. It might be that the shards act as foci for something else entirely, but I have yet to see any indicia that would allow for two way travel.
He taps his foot for a moment, lost in reverie, then looks up, almost startled.
Perhaps we should proceed to the top of the tower.
Everyone ready for the third level?

Illydth-DM |

Getting a negative response to Mird's question and accounting for Selena's hesitancy and his own sense of letting sleeping dogs lie, Thantos begins a short set of somatic movements followed by a couple spidery words in the language of magic, targeting the shard of glass perched precariously on the wine bottles.
The shard of mirror glass responds as expected to Thantos's spell, and falls the almost 5 feet to the floor to shatter into a few tens of shards on the ground with a loud crash that echoes around the room.
Wincing at the noise, Selena takes a look around the room trying to determine whether anything of value has been left around. While the wine is of obvious quality, it is neither expensive nor overly rare. The rest of the room turns out to be pretty bland and boring and reveals nothing else of interest.

Illydth-DM |

*sigh* Sorry again.
Returning back to the stairwell on the first floor you begin to climb to the third level, exiting into a hallway very much like that of floor 2, there are three doors in front of you (one straight ahead, one to your left, one to your right) and the central hall seems to continue all the way around the central stair case.
A quick look down the hallway doesn't show any signs of mirrored glass, creatures or other dangers.
Outside the fury of the storm seems to be abating somewhat. The thunder has all but stopped, rolling off into the distance, and while the wind still blows it's chill (and likely snow still falls) it doesn't seem quite as strong as it was earlier this morning when you entered the tower.
You can choose one of the doors, you can head up to the 4th floor, or you can do something else.