At the behest of Orcus, Demon Prince of Undeath, a mighty deathpriest hierophant has begun assembling a powerful strike force. He intends to launch the first of many assaults on the world, readying it for his master’s arrival. With the help of potent allies and grand rituals, the PCs have discovered a route to the Abyssal headquarters of this hierophant. This delve begins as the PCs teleport from the world to the first of a complex of interconnected chambers deep in the Abyss, linked only by portals. Pgs. 126-131

Long rumored to be haunted by eerie specters, Kincep Mansion has stood for years, mostly untouched by nearby townsfolk. Now something is preying on the local villagers—something that comes from the house. Pgs. 46-69

A band of evil fey, led by a corrupt bralani, has raided an eladrin city and kidnapped several respected elders. The fomorian king claims the rogues don’t act on his behalf, but the eladrin city threatens the fomorians all the same. To prevent war, the PCs travel through the Underdark of the Feywild—a wondrous place filled with the beautiful and the horrifying—in search of the evil fey and their captives. Pgs. 96-101

Stormcrow Company—an unsavory band of adventurers—haven’t been seen or heard from in years. Rumors of their accumulated wealth have spread far and wide, and if they have truly been slain, that treasure is just waiting for adventurers to come and collect it. But is anything ever as easy as it seems? Pgs. 10-28

The seaside town of Ashenport has a troubled past and a dark secret. If you spend a night in Ashenport, you just might not wake up the next morning. "The Last Breaths of Ashenport" is an adventure of survival and alien horrors. The adventure is self-contained and can be placed in any setting. Pgs. 70-105

The rough ground on the outskirts of the village of Col Fen once served as a graveyard for an evil temple destroyed long ago. A recent disturbance released some of the ancient evil buried here, and now the dead in this graveyard are beginning to walk. Several villagers have already vanished and more will die if the undead are not put to rest. Pgs. 56-63

From time immemorial, the rulers of the mortal world have been counseled and tempted by capricious primordial spirits who rule over the elements. The greatest and most sinister of these was a half-kraken medusa known as the Maelstrom Queen, who sought to supplant the mortal races with her own line of immortal tentacled monstrosities. On the verge of her ultimate triumph, when the leviathans at her command rose from the depths, a legendary assassin murdered the Maelstrom Queen in her half-submerged palace with her own weapon. But the primordial mistress refused to let something as trifling as death put an end to her designs. Every 13 years, she regenerates enough mystic power to rise again, and the world’s greatest heroes are sent to murder the Maelstrom Queen once more.

As the story goes, worshipers of Bahamut and worshipers of Gruumsh spent years warring. As the dead piled up, a Bahamut faithful crafted a weapon of devastating power. Most of the inventor’s peers balked at its use, but some felt it was justified. Those few who used the weapon were twisted into mad, dark beings by its corrupting power. The rest of Bahamut’s flock locked them and the weapon away in a dungeon prison. The dungeon and its terrible secret were long forgotten—until a group of rakshasas happened across the ancient tale. Now they seek the weapon for their own designs. Pgs. 132-137

Floating Eternally among the endless silver void of the Astral Sea are vast, once-living islands, cast-off flesh of primordials and deities who lost their lives sons past in a great war. Today these colossal outposts bear mute testimony to the date of even the mightiest among us. Pgs. 120-127

A flameskull lord that calls itself the Bright Lord of Everburning Fire has taken control of a primordial node deep within the Elemental Chaos. It long ago shrugged off the control of its original creator and now follows its own plans and desires. Top among these is the desire to tap into the power of a fire primordial and increase its own status from undead creature to demigod. Pgs. 156-161

Wicked forces conspire to usurp the power of the Raven Queen, god of death, by unraveling the foundations of reality. To prevent this cosmic coup, mighty heroes must survive an epic journey into the Shadowfell's timeless core, where all things find their end. The beginning of the end of the original 4th edition adventure path (although ties are very light to the heroic and elite tier adventures). The PCs must first prove themselves worthy to act as the Raven Queen's agents. They will then be sent to Death's Reach, a graveyard and dumping ground from the Dawn's War. There, they must fight through the Black Star Host- powerful elemental beings, to prevent Orcus was resurrecting a primordial, Timesus the Black Star. One notable encounter is a random encounter with the Worm of Ages. This huge worm has the ability to swallow and rules for moving creatures from its maw to its throat, gullet, and into the stomach.

Recent earthquakes have unearthed a small section of a lost dwarven fortress. The dwarves are long gone, but rumors suggest they might have left treasure or weapons behind. After a journey into the Underdark, the characters find a barred iron door bearing the names of several ancient dwarven clans. Pgs. 90-95

A green dragon called the Dawn fancies herself a deity and has attracted reptilian followers that raid elven settlements. The PCs must find her temple in the woods and end the threat. Pgs. 78-83

Jelendra, a tulani of summer, has gathered a small following of dark fey creatures to help her get revenge against the Highridge Arcane eladrin elders. When they had the nerve to question her interest (they called it “obsession”) in the destructive power of the Wild Hunt, Jelendra flew into a rage and stormed out of the Highridge Arcane. Now, she controls a fane to an ancient spirit of the Wild Hunt. Not knowing what became of her, the elders ask the adventurers to find Jelendra. “Let her know that she is missed, and we want her to return home,” one elder says. Pgs. 114-119

"Gnolls have captured the heroes! After stripping the characters of all equipment except their armor and clothing, the gnolls drag them to an expansive briar maze known as the Twisted Thickets and set them loose. Then, armed to the teeth, the gnolls hunt down their prey. The characters must survive the hunt and outwit their pursuers. Stripped of your armor and weapons, you are cast into the Twisted Thicket and hunted like rabbits. If you want revenge, you must first survive Yeenoghu's evil Hunters. After dealing with the gnoll hunters, the heroes can try to reclaim their lost equipment and exact revenge on the tribe, which lairs in the caves beneath Dead Gnoll’s Eye Socket." Pgs. 2-14

The Raven Queen’s servants often seek out mighty allies. One of these is the black dragon Quetzallus, who resides in a deep cavern on the Shadowfell guarding a stream of souls flowing into the Raven Queen’s realm. But a death knight named Raxikarthus, betrayed by the Raven Queen in life, now seeks to enslave this dragon for his own purposes. He madly believes that he can stand against the Raven Queen, and seeks allies of all stripes—even her own servants—to do so. The death knight has found a pathway into the Shadowfell thought closed by mortals. Beneath a decayed keep, the undead dragonborn has reopened this portal and led his forces into the Shadowfell itself. The PCs are called in to beard the death knight in his lair. They find it abandoned, but discover a strange passage in the lower reaches. Pgs. 162-167

The Raiders’ Hideout is a series of underground chambers (or perhaps the interior of a pyramid) that serves as a base of operations for a band of gnoll desert raiders. The PCs have come to exact a measure of justice for recent brutal caravan raids. They’ve tracked the gnolls to their lair, where they intend to end the threat to desert trade once and for all. Pgs. 30-35

"The Keepers of the Celestian Order, valiant defenders dedicated to destroying horrors from the Far Realm, have trapped a beholder in its lair. However, the evil aberration has proven far more dangerous than expected, and the Keepers need the help of adventurers to end the threat of Omaranthax once and for all. This Dungeons & Dragons Roleplaying Game adventure, created for Free RPG Day 2012, pits player characters against a mutated beholder and its vile underlings. Although set in the Forgotten Realms campaign setting, the adventure can be easily adapted to any* D&D world." *: The adventure mentions that it is suitable for any setting touched by the Spellplague.

The outpost of Fort Dolor has experienced an unprecedented stretch of peace in recent times. Then nearly the entire garrison disappears on a supposed routine patrol, and the town— still on the frontier— is left nearly defenseless. Can the adventurers dig to the bottom of the mystery at Fort Dolor before they, too, disappear? Pgs. 82-103

When the fires smoldered in the belly of an ancient red dragon tyrant, and his thirst had been slaked by the blood of countless innocents, the old wyrm made a deal with a succubus to spawn him a son and ensure his name would live forever. The demon held true, though she imbued the wyrmling with her own infernal blood. Those who fear and serve the abominable spawn of this pact know him as the Wyrm Prince. Cast into the abyss centuries ago by the legendary Three- River Paladin, the Wyrm Prince licked his wounds and recovered his strength. The Three-River Paladin has passed into legend, and the Wyrm Prince has resurfaced, his vengeance awakened along with his hunger. The Wyrm Prince sacked the high city Zhaldanis, slaying its people and claiming the greatest gift from the gods — the Soulstone. At this late hour, you must venture into the catacombs of the Wyrm Prince before the Soulstone loses its power and all mortal souls are damned.