✨ THE UNOFFICIAL GUIDE TO SENTINEL/GUIDE LORE & THE MULTI-FANDOM AU

aka: “Why the hell are Sentinels and Guides in my Teen Wolf feed??”
aka: “How did a forgotten 90s show become a megatrope powering 20k AUs across fandom?”

🌿 1. What Even Is a Sentinel/Guide?

The 10-second explanation:

• Sentinels = individuals with super-advanced senses (sight, hearing, smell, touch, taste).
• Guides = the person who keeps them from overloading, zoning out, dissociating, or literally dying from “Too Much Input™”.
• Their relationship often involves:

• grounding touch,

• sensory regulation,
• emotional co-regulation,
• sometimes soulbonding,
• sometimes psychic/spiritual elements,
• sometimes sex,
• sometimes the world’s most intense “we’re just partners bro” energy.

The vibe:
One is hyper-perceptive, the other is grounding. Together they save the day + maybe kiss.

🌿 2. Where the Hell Did This Idea Come From?

Short answer:

👉 A 1996–1999 action/crime TV show called The Sentinel.

Long answer (because Tumblr loves lore):

🔹 THE SENTINEL (1996)

A perfectly mid-90s “cop with a twist” show starring:

• Jim Ellison — ex-military detective with randomly awakened super-senses
• Blair Sandburg — anthropology grad student studying Sentinel myths, becomes his partner/handler/possibly-more-depending-on-your-imagination

What canon actually gave us:

• Sentinels: YES, fully canonical enhanced senses.
• Guides: SORTA → The word is used twice, vaguely, and not in the “soulbond empathic soulmate” sense.
• Spirit animals: YES (this is real canon).
• Most other tropes? Fan-invented.

What fandom said:

“Great concept, show is mid, WE CAN MAKE IT BETTER.”

And thus… an unstoppable trope was born.

🌿 3. So Why Did Fanon Explode Past Canon?

Because The Sentinel hit the exact perfect ingredients for fanfic expansion:

✨ Small, adaptable premise
✨ Two guys with monster chemistry
✨ Low canon restrictions
✨ High emotional stakes
✨ Built-in intimacy (touch, grounding, trust)
✨ Near-death moments every other episode
✨ Room for magic and worldbuilding

One fan called it:

“The Little Black Dress of Fandom AUs.”
Meaning: it fits ANY character pairing in ANY fandom.

🌿 4. How the Lore Evolved (FANDOM TIMELINE)

A simplified version of a very long and very messy history:

🔸 Phase 1 — Late 90s / Early 2000s: Early TS Fandom

The original The Sentinel fandom was HUGE. Comparable in size to old-school X-Files fandom.

Fanon added:

• Jim is helpless without Blair
• Guides are empathic
• Psychic bonds
• “Guide voice”
• Shaman!Blair
• Sexual bonding
• Zoning out → nosebleeds, collapses
• Touch-based grounding

Basically:
Canon gave 10%, fandom built the other 90%.

🔸 Phase 2 — GDP & the Birth of Darker Tropes

The Guide Development Program (GDP) fanon universe arrives.

Often includes:

• Guides are regulated, owned, trained
• Sentinels need them or overload
• Guides need Sentinels or burnout
• Bonding rituals
• Sense dials (like on a mixing board)
• Alpha Sentinels, Elite Guides, etc.
• Darker, dystopian overtones → proto-Omegaverse vibes

GDP lore became wildly influential.

🔸 Phase 3 — Multi-Fandom Spread (mid-2000s)

Sentinel fandom loved crossovers, especially with:

• Stargate SG-1 / Atlantis
• Due South

Then something BIG happened:

Keira Marcos’ “Sentinels of Atlantis” (2008)

This massively popular SGA AU introduced S/G dynamics to a whole new fandom.
THEN SGA got cancelled in 2009, dropping thousands of fans into wider fandom with S/G lore fresh in their brains.

Boom. Infection complete.

🔸 Phase 4 — Tumblr Era (2012–present): The Renaissance

Suddenly S/G AUs show up in:

• Teen Wolf
• Supernatural
• Sherlock
• Avengers
• Hawaii Five-0
• Criminal Minds
• Person of Interest
• Star Wars
• Attack on Titan
• Downton Abbey?? (yes)
• Mythbusters?? (also yes)

At this point, the AU becomes completely decoupled from the original show.

Some people reading S/G AUs today have never heard of The Sentinel at all.

🌿 5. What the AU Usually Includes (Modern Fanon)

Not required, but common enough that you’ll see them everywhere:

Sentinel traits

• Hyper senses (5 or more)
• Zoning
• Enhanced strength / instincts
• Territoriality
• Protective impulses
• Spirit guides / animal metaphors
• Pack hierarchies (optional)

Guide traits

• Empathy
• Emotional regulation
• Psychic shields
• Calming touch
• The ability to “bring a Sentinel back”
• Sometimes rare, precious, or oppressed
• Sometimes incredibly powerful

Bond types

• Instant recognition
• Slow burn compatibility
• Soulmarks / spirit bonds
• Temporary bonds vs Perfect Matches
• Sexual component (optional but common)
• Pain at separation
• “Imprint” dynamics
• Co-regulation → becoming ~One Unit~

Setting variations

• Known to the public (institutions, training centers)
• Hidden society (underground networks)
• Oppression dystopia (GDP-style)
• Wild primal culture (tribal or post-apocalyptic)
• Super soft domestic hurt/comfort fantasy (the most common)

🌿 6. Why Is It So Popular?

Because S/G AUs let writers mix:

🧠 psychic intimacy
💗 emotional vulnerability
🖤 Hurt/comfort
🔥 heat-level tension
📈 soulmate energy without the clichés
🛠️ worldbuilding playground
🧬 biology tropes
✨ found family + pack dynamics
🎭 character exploration through senses

It’s customizable.
It’s intimate.
It’s melodramatic in the best way.
It’s catnip for fic writers.

🌿 7. S/G AU vs Omegaverse (The Eternal Debate)

They share DNA:

S/G is often considered a proto-Omegaverse, created before A/B/O existed.

Some fans like S/G for the intimacy without explicit biology.
Others love the soft psychic bond as opposed to heat cycles.

🌿 8. How Canon Sentinels/Guides Actually Work

In The Sentinel canon:

• Sentinels exist.
• Guides? Mentioned twice.
• Jim and Blair aren’t soulmates. They’re just partners.
• ANY competent person could theoretically help Jim.
• No pack structures.
• No soulmate bonds.
• No sensory dials.
• No sex-based bonding.
• No Guide psychic powers besides “being a smart guy.”

Fandom inflated all of these.

And honestly? Thank god.
The fanon is way more fun.

🌿 9. FAQ for New Readers

❓ Do Guides have powers?

In fanon, usually yes — empathy, shields, healing, etc.
In canon: Not really.

❓ Do Sentinels go feral??

Canon: small hints.
Fanon: ABSOLUTELY YES, KING, RIP AND TEAR.

❓ Do bondmates have to touch constantly?

In many AUs, yes.
In others, only during regulation episodes.

❓ Is the Guide the emotional one and the Sentinel the warrior?

Classic fanon says yes.
But many AUs flip this (which is delicious).

❓ Is there a right way to write S/G dynamics?

NO.
Absolutely not.
Everything is fanon.
You can do ANYTHING.

🌿 10. Why Do People Think It’s Canon?

Because the fandom worldbuilding became so codified that younger writers assumed it must be canon.

For many, S/G lore is known exclusively through AUs, not the original series.

Imagine learning about Hogwarts AUs without ever reading Harry Potter — same vibe.

🌿 11. How to Build Your Own Sentinel/Guide AU

A quick Tumblr checklist:

Step 1 — Decide the setting

• Modern city?
• Magical kingdom?
• Post-apocalypse?
• College AU????
• Space opera???

Step 2 — Power levels

• Mild (just senses)
• Medium (empathy + psychic shields)
• Spicy (spirit worlds, astral travel, ritual bonding)

Step 3 — Society’s view

• Revered
• Feared
• Hidden
• Institutionalized
• Regulated/oppressed

Step 4 — Bond mechanics

• Platonic?
• Romantic?
• Sexual?
• Spiritual?
• Life-or-death?

Step 5 — Conflict

• Mismatched pair?
• Deny-the-bond slow burn?
• Rogue Guide?
• Rogue Sentinel?
• Territorial conflict?
• Government conspiracies?
• Soul bond malfunction?

Congratulations — you have an AU.

🌿 12. Recommended Reading / Meta (Tumblr-Style Rec List)

(Not linking directly; citing awareness so you can google/AO3 them)

• Imperfections series — Dasha (multi-fandom, deeply developed worldbuilding)
• Sentinels of Atlantis — Keira Marcos (SGA powerhouse)
• GDP universe — Susan (foundational dystopian S/G fanon)
• Moonhunt / Moonrise — Dolimir & Stellabella (early classics)
• Conforming to Requirements — Fluterbev

Meta:

• Eternityinalake’s meta on the spread of S/G tropes
• Mab Browne’s Get/Together presentation on S/G fanon history
• Fanlore’s Sentinel/Guide pages

🌿 13. Final Notes

Sentinel/Guide is:

• a fandom fossil,
• a living trope,
• a multi-fandom shared universe,
• a comfort-ship generator,
• a hurt/comfort playground,
• a proto-Omegaverse,
• a soulmate AU without the cheesy tropes,
• a safe little sandbox for intimacy, trust, and exploration.

There is no “canon” version of the AU.
You choose your flavor.
You remix what you want.
You ignore what you don’t.