Nodding to herself in satisfaction that the air was breathable, the portal was two-way, and there were at least no traps being set off on the spot she landed, she carefully begins creeping about this small space, making a circuit, now turning her magical eyes towards signs of traps and checking the exits from the room to ascertain their locked or trapped statuses before returning to report to the others. They might want her to bring them through, so she sets about securing the immediate surroundings and making sure it would be safe to do so.

Careful not to giver herself away via sound, she efficiently scans for tell-tale auras of magical traps while quickly performing a circuit of the room, sweeping for mechanical traps before also checking the exits, dagger in one hand at the ready for trouble, and her Warder's Keys in the other ready for trap hunting.

Spoiler: Statblock
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Myriad
Female C/G Changeling Rogue 3 / Silver Key 10 / Invisible Blade 5 / Warlock 2, Level 20, Init 8, HP 222/222, Speed 30' Land
AC 34, Touch 24, Flat-footed 28, Fort 22, Ref 24, Will 22, Base Attack Bonus +16/+11/+6
+4 Steel Deadly Precision Vampiric Dagger of Parrying +27/+22/+17 (1d4+10 (+1d6 vs Living), 18-20/x2)
Eldritch Blast (vs Touch AC) +20 (3d6, x2)
Sneak Attack Denied Dex or Flanked (+8d6, -1d6 to cause Bleed)
+5 Easy Travel Glamered Mithril Breastplate of Nimbleness (+10 Armor, +6 Dex, +2 Deflect, +6 Misc)
Abilities Str 22, Dex 22, Con 22, Int 26, Wis 18, Cha 26
Condition Awake, Alert, Unencumbered, Healthy, Disguised (Dwarven Locksmith/Explorer named Drucilla Kundarak)
Active Invocations & Effects Beguiling Influence, See The Unseen, Detect Magic
Other Defenses SR 25, Mettle
Spoiler: Automatic Search Check
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If Myriad gets within 5' of a mechanical trap, she automatically makes a Search Check. I will simply include this roll in every post so as not to slow down the game pacing. As she has 'detect magic' active at all times, this can also be used if she detects anything that looks remotely like a magical trap as well.
Search For Mechanical Traps: (1d20+37)[46]


Spot: (1d20+27)[37]
Move Silently: (1d20+33)[40]
Search For Traps in General: (1d20+37)[48]