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10 eps
New on Back'n'Time

I Guard the Mortal Realm for One Hundred Thousand Years

  • English
  • 10 episodes
  • Added

Episodes 1–10 stream here.

Episodes10 episodes · 1–10 free here

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Free on Back'n'Time

The story

Quick answer: 10 episodes, English original audio, and episodes 1–10 play right here tonight.

One hundred thousand years ago, Su Qi, a royal clansman from the Upper Realm, could no longer bear to watch mortals of the lower world being hunted viciously by upper‑realm evil spirits under the bait of “ascension to immortality”. He resolutely severed the passage between heaven and earth, sealed his own cultivation, and guarded the Ascension Platform as the Human Emperor, vowing to protect all living beings. A hundred millennia later, the mortal world has long forgotten the truth. Su Qi’s three personal disciples — Shen Bing, Gu Nan and Liu Ruyan — ally with the ten great aristocratic clans. They publicly accuse Su Qi of three grave crimes: “Defying Immortals”, “Sowing Chaos” and “Deceiving Heaven”, nailing him to the sacrificial altar. The long‑suppressed desire for ascension among countless common people is ignited.

They vote frantically to offer the Human Emperor as a living sacrifice to reopen the path to ascension. Ji Yingying, Su Qi’s youngest disciple, fights desperately to defend her master, only to be dragged off to prison. When the so‑called “Immortal Envoys” from the Upper Realm appear, they tempt humanity with visions of celestial palaces, spirit fruits and divine elixirs. Su Qi’s memories are twisted and forged into irrefutable “proof” that he hoarded paradise for himself out of jealousy toward ordinary people. The grand ascension ceremony begins. Hundreds of thousands of mortals cheer and surge toward the supposed immortal realm — which is in truth the Soul‑Devouring Hall piled high with bones.

Episodes
10
Language
English
Free here
Episodes 1–10

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Questions people ask

How many episodes are there in I Guard the Mortal Realm for One Hundred Thousand Years?

I Guard the Mortal Realm for One Hundred Thousand Years has 10 episodes in total. Short dramas run about one to two minutes an episode, so it is an easy one-sitting binge. Episodes 1–10 play right here on Back'n'Time.

Can I watch I Guard the Mortal Realm for One Hundred Thousand Years for free?

Yes — the first 10 episodes are free to watch on this page, no account and no sign-up.

What happens after episode 10?

Tap episode 11, or any tile with a lock on it, and we hand you over to the official app at that episode. If the app isn't installed yet, you'll land on its store page first. We don't host the locked episodes and we never ask for payment details.

What's I Guard the Mortal Realm for One Hundred Thousand Years about?

The story section above has the setup without spoilers past episode 10.

What language is I Guard the Mortal Realm for One Hundred Thousand Years in?

The audio is English. It was added to Back'n'Time on Nov 6, 2026.

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© 2026 Back'n'Time. We host free previews of episodes 1–10; full series live in each studio's official app. Titles, artwork and trademarks belong to their owners.