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#### **The Primordial Age (Pre-Dalereckoning)**
- **Before -35,000 DR: Formation of Carceri**
- Carceri is formed during the creation of the multiverse, embodying the concept of betrayal.
- The gods use Carceri as a prison for rebellious entities, including titans, fallen celestials, and defeated primordials.
- **The Dawn War:**
- During the war between the **primordials** and the gods, Carceri becomes a key prison for primordial leaders who are defeated but too dangerous to destroy.
- The **titans** are exiled to Carceri, where they remain bitter and vengeful, plotting against the gods who imprisoned them.
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#### **The Rise of Titans and Yugoloths (-30,000 DR to -10,000 DR)**
- **-30,000 DR: Banishment of the Titans**
- The titans, creations of the gods who later rebelled, are cast into Carceri.
- They create strongholds within the plane, using their immense power to shape its layers and command the lesser beings trapped there.
- **-20,000 DR: Yugoloths Claim Carceri**
- The yugoloths, mercenary fiends of the Lower Planes, begin using Carceri as a neutral ground for their dealings.
- They establish secretive strongholds and staging areas, avoiding the wrath of the imprisoned titans.
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#### **The Age of Mortal Interaction (-10,000 DR to -1,000 DR)**
- **-10,000 DR: The Betrayer’s Passage**
- A portal between Carceri and the Material Plane is discovered, allowing mortals to summon beings from the plane.
- These mortals often seek power but are betrayed by the very entities they summon, reinforcing Carceri’s nature.
- **-5,000 DR: Expansion of Titan Influence**
- The titans consolidate power within Carceri, establishing vast dominions over its layers.
- Some titans develop cult followings on the Material Plane, sending visions to mortals to act as their agents.
- **-3,000 DR: Netherese Experiments**
- Netherese wizards exploit Carceri as a source of forbidden knowledge, summoning spirits of betrayal and titans for guidance.
- Many of these wizards meet their demise, as the entities of Carceri twist their bargains for personal gain.
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#### **The Time of Empires (-1,000 DR to 1358 DR)**
- **-1,000 DR: The Fall of the Titan Kalakthos**
- Kalakthos, a titan who nearly escaped Carceri, is betrayed by his own followers.
- His punishment creates the **Abyssal Rift**, a massive scar on one of Carceri’s layers, which becomes a focal point for fiendish activity.
- **500 DR: Rise of the Cult of Chains**
- A mortal cult dedicated to Carceri’s imprisoned titans gains prominence.
- They seek to free their masters by performing mass betrayals and sacrifices on the Material Plane, though their efforts fail.
- **714 DR: Involvement in Myth Drannor’s Fall**
- Fiends from Carceri are summoned during the siege of Myth Drannor. These entities exploit both sides of the conflict, further cementing Carceri’s reputation as a place of deceit and manipulation.
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#### **The Time of Troubles and Carceri’s Role (1358 DR)**
- **1358 DR: The Time of Troubles**
- During the chaos of the gods walking Faerûn, several minor deities and powerful entities are banished to Carceri.
- Some imprisoned titans take advantage of the instability, attempting to escape, though they are thwarted by adventurers and celestial forces.
- The yugoloths use the confusion to expand their influence, fortifying their positions within the plane.
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#### **The Spellplague and Carceri’s Influence (1385 DR to 1487 DR)**
- **1385 DR: The Spellplague**
- The collapse of the Weave disrupts Carceri’s barriers, creating temporary rifts that allow some imprisoned beings to escape.
- These escapes lead to increased fiendish activity on the Material Plane, with several titans and powerful yugoloths wreaking havoc before being defeated.
- **1390 DR: The Betrayal of Lord Valrok**
- Lord Valrok, a mortal warlord who sought power in Carceri, is betrayed by the titan he served.
- His death creates a planar anomaly, trapping his spirit within the plane as a cautionary tale for future summoners.
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#### **The Second Sundering and Modern Era (1484 DR to Present)**
- **1484–1487 DR: The Second Sundering**
- The restoration of the **Tablets of Fate** reinforces Carceri’s role as the ultimate prison.
- Several entities, including rogue titans and lesser gods, are newly imprisoned during this period.
- Mortal interactions with the plane increase as adventurers seek to exploit its hidden knowledge and treasures.
- **1492 DR: Baldur’s Gate 3 and Carceri’s Influence**
- Cults of betrayal and manipulation tied to Carceri emerge in Baldur’s Gate, seeking to summon entities trapped within the plane.
- Adventurers thwart their plans, preserving the balance between Carceri and the Material Plane.
- **Present Day:**
- Carceri remains a place of isolation, despair, and treachery.
- Adventurers venture into the plane to recover lost artifacts, negotiate with trapped titans, or prevent powerful entities from escaping into the multiverse.
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### **Themes of Carceri’s Timeline**
1. **Betrayal and Confinement:**
- The plane thrives on betrayal, both as a cause for imprisonment and as a constant threat within its layers.
2. **Eternal Struggle:**
- The entities of Carceri are forever scheming, whether to escape, dominate their fellow prisoners, or manipulate mortals.
3. **Interplanar Influence:**
- Despite its role as a prison, Carceri’s influence extends across the multiverse through the actions of mortals who interact with its denizens.
4. **Adventuring Opportunities:**
- Carceri offers a wealth of challenges, from navigating its hostile layers to outwitting titans and yugoloths.
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