Base of Operations is a short adventure intended for four 5th-level characters. DMs can easily modify the adventure to suit higher- or lower-level adventurers, or larger or smaller parties of adventurers. Simply adding a few monsters to every encounter area makes the adventure more challenging for larger parties, and adding levels to any of the humanoids can make them more of a threat to high-level groups. For low-level adventurers, make the relationship between the two factions within Brightstone Keep more strained, and take away a few monsters from each group. You can remove levels from some of the humanoids in the adventure to make it a lower-level challenge, but it is important that the orc cleric (described in encounter area 8) still have the ability to animate the dead. Still, he can have fewer minions around him when encountered, and that makes him less of a challenge for a lowlevel party.

Important: The adventure is 1e but it has monster conversion notes for D&D 4th edition The town of Highport, once a human community overlooking Wooly Bay from its perch on the northern coast of the Pomarj, fell prey to hordes of humanoids swarming out of the jungle-covered hills surrounding the settlement. Though the orcs, goblins, kobolds, ogres, and gnolls razed much of the place in their ferocious rampages, the smoldering ruins they left behind soon became a new kind of community, a place of trade between the humanoid “locals” and the unsavory human traders who have no compunction about doing business with them. Slaves are a commodity in ready supply in Highport’s market, since many pirates raid up and down the coast of the bay, putting fishing villages to the torch and filling their holds with captured refugees. Slavery has become a thriving business in the town, and rumors abound of a cartel of Slave Lords who run things from behind the scenes, filling their coffers in secret from the buying and selling of human chattel. The trade has become so prolific that the good folk to the north have grown tired of these depredations and decided to fight back. Forces of righteousness and honor have recently descended upon Highport, some openly and others in secret, in various attempts to destroy the machinations of the Slave Lords and abolish the abominable enterprise that has taken far too many loved ones from home and hearth. One such doughty servant of goodness is Mikaro Valasteen, a cleric of Trithereon. Mikaro slipped unnoticed past the crumbling walls of Highport with a single mission: to rescue and transport as many slaves to their freedom as possible. Mikaro and a handful of faithful assistants located a number of escaped slaves—as well as rescued a few more not sufficiently restrained and guarded—and shepherded them through the gates and beyond the reach of their humanoid tormentors, returning them to their lands and homes. This covert freedom brigade enjoyed remarkable success early on, since the servants of the Slave Lords were often lax in their vigilance and sloppy in their efforts to prevent loss of the “merchandise.” After one too many shipments never made its destination, the humanoids stepped up their security and the normal channels of escape from Highport closed to Mikaro and his team. He cannot risk exposure by smuggling the freed slaves through the gates as merchandise any longer, since shipments of goods are now regularly stopped and checked. No longer able to free the slaves in that manner, Mikaro began hiding his charges in an abandoned villa in a particularly rundown part of the town. Although they are safe for the moment, their numbers have grown unmanageable, and the priest fears it is only a matter of time before someone slips up and brings slavers to their doorstep. Ever more desperate to find a new means of escape from Highport, Mikaro has started work on a plan that is both daring and dangerous. He intends to use a series of old sewers coupled with natural caverns running beneath the town as an escape route to the sea beyond the walls. But he needs someone to clear out the creatures and pitfalls he knows lie within. Pgs. 2-27

"Wherein the local clergy makes the terrible mistake of not hiring enough assassins for the job." Synopsis: The heroes have just returned from the abyss (Occipitus) and reestablish themselves in Cauldron, when they are assaulted by a group of professional assassins. After they repel the attack, they trace back the lead to the temple of Wee Jas, where they find plenty of opposition from the second in command, Ike Iverson. After dispatching of the cleric and securing of a (spare) soul cage, the group finds evidence of a place important to the cagewrights' cause - an ancient underground complex named Karran Kurral. Mounting an expedition to that place, they find more evidence towards the horrific destiny on schedule for Cauldron. However, they gain access to the Soul Pillars after defeating a dracolich, that they can use to gather plenty of intelligence on the cagewrights' plans. Pgs. 12-51

Some monsters don't have any class. The quest for knowledge can be as dangerous as any other. The heroes investigate a library after one of the locals claims to have seen a librarian be attacked by a tentacled creature. In reality, a group of orcs found a secret entrance into the library and the "tentacle" is merely the whip that the leader wields. The party must make their way through a labyrinth hidden underneath the library and rescue the hostages. Pgs. 4-9

A hunt for a missing key leads the heroes from the streets of the city of Greyhawk to the Tomb of Blood Everflowing in the treacherous Cairn Hills. Pgs. 18-20, 22 & 24-39

When huge stones fall out of the night sky, A deadly curse settles over Gravencross. Help the village exorcise the Demon Stones. “The sun had set an hour ago, and the rain lashed down and the wind howled on the dark moor. A storm this late in the season was unusual, but this one seemed different. The clouds were more menacing, tinged with anger, the rain colder and more biting than usual. Skerrill had to find the lost calf and get him back to the farm before his father came back from the city on business. He’d been looking for two hours now, and he was right in the middle of the moor when the storm hit. He knew he should have turned back as soon as darkness fell, but then he was never the brightest boy in the valley. If only he had remembered to lock the farm gate. The calf was now likely dead anyway having stumbled among the boulders and rocks, panicking in the dark, and then fallen in a floodwater stream and drowned. Either way, he was in more trouble than he could imagine. Suddenly, a bright flash of white light and a roaring peal of thunder were preceded by an explosion as a huge object fell from the sky and impacted the ground of the moor no more than a stone’s throw from him. Dirt, mud, water, and debris erupted from the impact site, flying high into the air and then covering the moor for hundreds of feet all around. Skerrill was knocked to the ground instantly and covered in the fallout from the blast. His ears rang and his head spun, but he staggered to his feet in a daze. He stumbled to where the blast had happened only moments before, and in a depression in the ground lay a huge stone glowing orange as if hot. Skerrill passed out. Two more thunderous explosions crashed in the distance.”

A proud paladin’s quest for glory against marauding orcs ends in tragic failure with his disappearance and presumed death. Worse still, an artifact of his faith entrusted to him has gone missing. Can the adventurers reclaim the artifact and force an end to the hostilities, or will the brightest beacon of good in the Western Heartlands be extinguished? Pgs. 28-43

Zhentish soldiers, Maerimydran drow, and Sharran cultists have forged a dark alliance to subjugate the peaceful land of Shadowdale. Elminster's tower lies in ruins, Lord Amcathra governs at the sufferance of the dale's conquerors, and the very Weave of magic in this embattled land seems to fray with each passing day. The Zhentish yoke lies heavy over Shadowdale—but the Dalesfolk are ready to fight for their freedom, if only they can find true heroes to lead the way!

The plague-stricken Copper District of Waterdeep's Southern Ward needs your help. What is causing the plague? Can it be stopped? Are you the right person for the job? Published by Arcana Games.

From The Magazine: "Every summer, Duke Hightower holds a competition quite different from the traditional jousting and archery tournaments held by similar lords of his station. The rules of his tournament change from year to year, and, to oversee the games, the duke has appointed two wizard brothers who help choose the setting and create the rules and challenges of the competition. This year the competition is called the “Owlbear Run,” an overland race that requires each participating team to escort a live owlbear from the town of Telvorn to the town of Milvorn. The teams will face a variety of challenges; some are devised by the wizards, others by the competing teams or their sponsors, and some occur entirely at random. All of these tests are in addition to the challenges inherent in motivating a temperamental owlbear. Fortune and fame await the first team to cross the finish line, and the local lords sponsoring the race are eager to enlist skilled champions for their causes." Pgs. 2-27

In Mulcrow, food - not music - soothes the savage beast. The adventure begins in the town of Griffondale whre the PCs encounter Jelmark, an emissary of the Duke of Mulcrow. Jelmark hires the party to help the witch Rudwilla prepare a special stew for a cantankerous bugbear chief who lives in the Rockforge Mountains. Bruggh the bugbear demans the stew once a year on his birthday.-- from the adventure. Pgs. 34-48

Framed by the Covenant of the Knife and thrown in the notorious Blackmaw Prison, Karl Manderholm awaits his execution at the hands of the deadly assassins’ guild. In order to save him, the PCs must enter Blackmaw in the guise of lowly prisoners and expose the one man who can clear Karl’s name, the Shadowmaster of the Covenant himself. Pgs. 34-50

Beyond the mortal world, somewhere outside the bounds of the Astral Sea, the Far Realm yawns immeasurable. Beyond the reality of gods and mortals, this plane is a realm of contradictions, a mad place of fevered creation checked only by pointless extinction. The Outside is a sea of diseased possibilities, where the stuff of madness seethes in a soup of the incomprehensible and the unnamable—shuddering, squirming, and sentient. The Stormcrows, responding to the psychic cry from the stone, dispatched a force to retrieve it. The attackers descend on Wellspring, slaughtering and destroying in the search for their treasure. PCs can come to the town’s defense and repel the horde. A priestess of Ioun then turns to the heroes to find the item the monsters were seeking. From the recovering town, the heroes cross the wilderness to the Kaorti Temple. The trail ends at a ruined tower overlooking a deep ravine. Inside the tower, the heroes must overcome the terrible creatures in their search. In the end, they find the relic has been stolen.

The mayor of the town of Four Trails hires you to find the missing magic user, Delea the White! Delea was tasked with improving the signal tower at Eddistone Point. After leaving with her party of dwarven mercenaries, the mayor received a message from Delea's familiar; a white crow with a note scrawled in charcoal; "Bandits in the tower! Help!" The tower is straightforward, five levels, each a single room. There's a bait-and-switch where the players think the half-orc bandit leader is the bad guy, but an innocuous-seeming vagabond is actually a powerful illusionist. No monsters to speak of, only class-based NPCs, no magic apart from a ring of protection (not listed in this record, being equivalent to magic armor.) Pgs. 19-27

With the Heart of Light secured, the adventurers now pursue the Ebon Stone, hidden in a remote keep. Part 2 of 2. Part 1 titled The Heart of Light. Pgs. 43-52

A little beer, a little trouble, a little party on the rubble. Can't a half-ogre find a little peace in the riverside town full of adventurers, bigots, and thieves? "'Trouble at Grog’s' presented something no one ever expected to see: a sympathetic half-ogre. All Grog wanted to do was settle down as proprietor of the Happy Half-Ogre Inn and Tavern. Little did he know his success would rub the competition the wrong way, leading to some 'inn-fighting' with the owner of the rival Dagger Rock Tavern, Yuri Kineron." - Christopher Perkins Pgs. 41-64

Smoke still rises from the shattered buildings and ruined streets of the troubled town of Cauldron, yet if not for the actions of a band of heroes, it would not exist at all. A sinister cabal of cultists bent on plunging Cauldron into the prison plane of Carceri had awakened the volcano below the town, and amidst the attacks of dragons and fiends from the outer planes, these heroes were able to evacuate the city and then strike at the cultists in their lair near the volcano's heart. Now, this cult, the Cagewrights, lies shattered, their members put on the defensive for the first time. All that remains is to finish the job, but the surviving Cagewrights still have some surprises left in their mysterious stronghold under the snake-haunted ruins of Shatterhorn. "Strike on Shatterhorn" is a Dungeons & Dragons adventure designed for four 18tth-level characters. This adventure is part of the Shackled City Adventure Path that began with "Life Bazaar" (Dungeon #97) and continued with "Flood Season" (Dungeon #98), "Zenith Trajectory" (Dungeon #102), "The Demonskar Legacy" (Dungeon #104), "Test of the Smoking Eye" (Dungeon #107), "Secrets of the Soul Pillars" (Dungeon #109), "Lords of Oblivion" (Dungeon #111), "Foundation of Flame" (Dungeon #113), and "Thirteen Cages" (Dungeon #114). The Adventure Path concludes in Dungeon #116 with "Asylum." Pgs. 56-82

A party of adventures has gone missing and the inhabitants of a local town have been acting strangely it is up to the party to figure out what is going on and stop what ever force are at work on the towns people