Session C07 — Underdark Depths

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Session Info

Arc C — Underdark
Session C07
Real Date 2025-09-27
In-Game Date Hammer 18, 1510 DR
Location The Long ChasmThe Abyss (Layer 66) → Far Side of Chasm

Summary

The party flees drow pursuit to the Long Chasm, where an ancient bridge tests their will with Charisma saves before they are pulled into the Abyss — falling through layers of demonic horror until crashing into Layer 66 (the Demon Web Pits). There, Arashni — the imprisoned true form of Lolth — saves them from abyssal spiders and driders, grants them shelter, and delivers personal prophecies to each party member. Her core warning: Othorion must never claim the Blade of Prophecy, a cursed weapon that appears as salvation but will doom his people. The party returns to the material plane with Arashni's blessings, discovers that a magical feather in Othorion's hat was a tracking device, and destroys it — only to receive threatening Sending messages from Valera Vandree, who doesn't realize she's been hunting her own brother under two identities.


Key Events

The Long Chasm Bridge — Test of Will

The party reached the Long Chasm — a bridge that the drow warriors of Velkynvelve refuse to cross. The bridge's rules: walk only, no magic, speak with purpose.

Charisma saves determined who resisted the bridge's whispered manipulation:


The Fall into the Abyss

The party was pulled off the bridge and fell through layers of the Abyss:

"The Abyss doesn't test skill. It tests the will that you carry."

They crashed into Layer 66 — the Demon Web Pits: "Webs catch your limbs, pulling taut until your body is bound like prey." Giant spiders, driders in obsidian armor, and building-sized abyssal horrors emerged. No saves were called. "No attack, spell, or escape can change the outcome. This is inevitability."


Arashni — The Prisoner Queen

A figure of soft silver light dissolved the webs:

"Not the Spider Queen that you expected, but a motherly figure of lost memory. Her aura alone is enough to unmake the bindings of the Abyss, and where she steps, horror falters."

She identified herself: "I am Arashni, once the Weaver of Fate, now the Prisoner Queen. You might know me as Lolth."

She raised her hand; silk coiled into a protective dome of silver light. "In time, I will return you to your world, whole and unharmed."

Only Kavu succeeded on the DC 18 Religion check (using his advantage from the bridge) to understand her true nature before she spoke.


The Blade of Prophecy — Arashni's Warning

Arashni's core request to the party:

"There'll come a time when the one you call Othorion seeks a blade. It will shine like salvation. But it is only a curse. I beg of you. Stop him. Hide it from him. In this you will protect him. And his people."


Arashni's Personal Counsel

To Roland: "You carry two souls. The one you have never met. Your father, Eddard Bladewood, is mine to watch." Roland's father fought against Sybarix and is trapped in the Fae Realm. "You're more than the sum of his abstinence."

To Kavu: "I see the flame upon you, beloved of Kossuth. But beware. A false lord rises among your people, cloaked in fire not his own. He will consume what he pretends to protect." Kavu is "a key to saving your people" and "one of my favorites."

To Kefkas: Arashni knew Kefkas' master Hasablatra, calling her "my triumph. Proof that even cursed children could feel empathy." Hasablatra still lives in the Underdark. About Lireal: "She searches for you as you do for her. She moves, roves, she doesn't stay in one place very long."

To Haldak: Arashni knelt before him like a mother: "Child of Netheril, your empire was a wonder. I remember its gleam before the fall. In you, some fragment of that greatness lives on." Then, more practically: "But seriously, stop drinking. It's bad for your health. And your choice in women is suspect. At best."

To Selene: "The burn of betrayal. The weight of change. Hardship does not break us. It makes us unbreakable." Selene responded: "I spent ten years in a jail in cold that was harder than the Rhine. I will not be broken."

To Cass: Softly, privately: "Your brother lives. He waits for you where you were. You just missed him." Cass was skeptical: "That is a cruel trick to pull on me at this moment, if what you say is anything less than the truth."


Return to Material Plane — Abyss Aftershocks

Arashni transported the party to the far side of the chasm. Those who failed Charisma saves on the bridge needed Wisdom saves against lingering Abyss influence:

Both immediately came to their senses, horrified. Roland: "I'm so sorry, Selene. I don't know. It was that place. It was not intentional." Kavu healed Selene.

Stool appeared on the far side: "Good to see you. How the shit did you get here?"


The Blade — Conflicting Prophecies

The party compared notes on what Arashni told each of them about the Blade of Prophecy:

Cass confronted Othorion directly: "Do not fucking touch it. I haven't heard you say 'I'm not going to pick it up' the entire time we've been talking about the sword."

Othorion committed: "I will not pick up the blade. I will not use the blade."


The Tracking Feather

Kavu cast Detect Magic and inspected every item on Othorion's person (who stripped naked in the Underdark for the examination). The culprit: a magical feather (abjuration + divination) in Othorion's gaudy golden-feathered hat — a tracking device. He couldn't remember who gave it to him.

Selene shot it into the Abyss on the second attempt (first arrow was magically returned by a blinking eye in the darkness). Pursuit level reduced.


Valera Vandree's Sending Messages

Othorion sent a Sending to his sister Valera: "Are you okay?" She responded: "Yes, I am fine."

Immediately after, Valera sent a second message — addressed to Zavon Baenre (Othorion's alias), not realizing it was the same person:

"Zavon Baenre, your attempt on Othorion has failed. The deed has doomed you, however. Your end will be swift and agonizing. Mark my words."

Valera had been using Othorion (as Zavon) as an unwitting agent to carry out an assassination — on himself.


NPCs Encountered

NPC Role Notes
Arashni / Lolth Imprisoned goddess, Prisoner Queen True form of Lolth; merciful, sorrowful; silver hair, violet eyes; saved party from Layer 66; granted shelter and prophecies; asked them to hide the Blade of Prophecy from Othorion
Stool Prince General, Myconid Appeared on far side of chasm; recently arrived himself
Valera Vandree Drow pursuer (off-stage) Othorion's sister; sent Sending to two personas not realizing they're the same person; using "Zavon Baenre" as an assassination agent
Blaine Drow scout Forward scout who demanded surrender of Othorion before the bridge crossing

Loot / Discoveries

Item Source
Tracking feather (DESTROYED) Othorion's hat; abjuration + divination magic; shot into the Abyss
Full long rest Granted by Arashni's protective dome in Layer 66
Blade of Prophecy (knowledge) Cursed weapon that will appear to Othorion; conflicting prophecies about its true nature

Combat & Encounters

Encounter 1 — The Long Chasm Bridge (Skill Challenge)

Encounter 2 — Abyss Aftershock (Involuntary Combat)


Party Notes


Threads Opened / Advanced