
The Immortal Abyss: Audiobook
Book 2 of the Threshold Duology series
According to The Books Insider's catalog data, The Immortal Abyss runs 12 hours as an unabridged audiobook, narrated by Rachanee Lumayno (about 8 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 24 days |
| 1 hour / day | 12 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 8 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 12 hours, it runs longer than 75% of the 5,647 Sci-Fi, Fantasy & Paranormal audiobooks in our catalog.
Catching up on The Threshold Duology
This is book 2. Book 1 runs 13.6 hours before it; books 1 to 2 run 25.6 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Eternity Gate | 13.6 hrs |
| 2 | The Immortal Abyss | 12 hrs |
More narrated by Rachanee Lumayno
Rachanee Lumayno narrates 53 unabridged audiobooks in our catalog, 416 hours in all.
About as long, on the Sci-Fi, Fantasy & Paranormal shelf
1,166 Sci-Fi, Fantasy & Paranormal audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
The Immortal Abyss is book 2 of Katherine Briggs's Threshold Duology series: a 12-hour unabridged recording, read by Rachanee Lumayno, released September 17, 2024, on the Sci-Fi, Fantasy & Paranormal shelf.
The listen at a glance
- Length
- 12 hrs
- Narrated by
- Rachanee Lumayno
- Released
- September 17, 2024
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Sci-Fi, Fantasy & Paranormal
- Series
- The Threshold Duology #2
- ISBN
- 9781645559535
How to listen to The Immortal Abyss free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is The Immortal Abyss as an audiobook?
The Immortal Abyss runs 12 hours unabridged. At 1.5× speed that drops to roughly 8 hours.
Is The Immortal Abyss free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Immortal Abyss?
The Immortal Abyss is narrated by Rachanee Lumayno.
Is The Immortal Abyss worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8 hours, saving 4 hours.