This adventuring supplement is designed for D&D5e. On out Patreon page you can get it in PDF format (see image). The downloads include hi-res images for the maps. And there is a variant PDF version designed for Shadowdark RPG.

The sun and moon reign in these lands, celestial forces and mortal valor intertwine. Here, the tides of destiny are ever shaped by light and shadow.

Saravenna’s Precept

The Moon-Touched Principalities, a mystical archipelago, are dominated by two principal islands: a crescent moon-shaped island and another that mirrors the radiant sun. The crescent moon island, surrounded by several smaller isles, is the region’s heart, with Saravenna as its main settlement and the Seat of the Moon Prince.

This second island houses the imposing Onyx Keep, the Seat of the Sun Prince. Together, the Moon Prince and the Sun Prince govern the principalities, striving to ensure the prosperity of their people, despite their often differing philosophies and approaches to leadership.

Life at the Sea

Fishermen and mariners in the region benefit from the rich fauna that the sea offers. But the waters of the principalities teem with extraordinary and perilous crea­tures beyond the common marine life. Sahuagin, water elementals, mermaids, and colossal sea beasts such as giant squids and octopi inhabit the depths. Both princes are seasoned in defending their realms and maintaining peace amidst these formidable inhabitants.

However, a recent alignment of distant planets has dis­rupted the status quo, inciting the sahuagin into an un­precedented frenzy of violence. This celestial phenome­non, occurring only once every several thousand years, has awakened their goddess, an enigmatic deity of the stars, manifesting her rage through the sahuagin, mak­ing them a formidable and irrational threat.

The two princes are eager to spring into action, but this time, they are at odds about how to deal with this. Both have a complete opposite approach for the matter.

The Dilemma

Faced with this unprecedented menace, the Moon and Sun Princes are at an impasse. The former, angered by the sahuagin’s lawlessness and violence, seeks ret­ribution and wishes to eradicate the threat decisively. Conversely, the latter, convinced that the sahuagin’s ag­gression stems from a deeper cause tied to the planar alignment, advocates for understanding and resolution.

He would rather investigate the root of the sahuagin’s madness, hoping to find a way to quell their fury and es­tablish a historic alliance between the terrestrial and aquatic denizens of the principalities.

Adventure Hook

• The characters start their lives as adventurers. They travel to the principalities looking for gold and glo­ry. Their journey takes them to Saravenna, where they shall learn of the region’s plight, and the princes’ oppo­site opinions. Thus, the heroes stand at a crossroads, their actions and decisions destined to shape the future of the Moon-Touched Principalities.

Level 1-4 Region

• Locations. The heroes must travel by boat to reach places on different islands. It is common to encounter wildlife or obstacles traveling this way (see below).
• Celestial Influence. The Moon-Touched Principali­ties are deeply connected to celestial events. The islands’ shapes and the ruling titles reflect this bond, with cosmic phenomena often affecting the local environment and its inhabitants in unpredictable, unseen ways.

Maritime/Exploration Encounters

Roll 1d8 for a Maritime Encounter when the characters travel to a new location. Roll twice if they have no guide or if they lack sailing skills (DC 9 WIS check).

1. A group of four merfolk attempts to rob the heroes. They climb onto their boat to do this.
2. A giant octopus tries to capsize the heroes’ boat. It flees if reduced to half its Hit Points.
3. Four red-eyed sahuagin fight until slain.
4. The heroes find another boat. Five zombies hide within, protecting its contents from the afterlife.
5. Two sahuagin and a shark fight until slain.
6. The heroes must brave a storm. The exhaustion causes their next check to have disadvantage.
7. Six bandits on a skiff approach. They demand gold and food. They flee if half of them fall in combat.
8. Near the shore, a giant crab feels threatened by the heroes. They can choose to leave it alone.

Saravenna

The glittering jewel of the Moon-Touched Principalities, and the Seat of the Moon Prince, Arion Lunastra. Sara­venna features ethereal beauty, its architecture echoing the celestial theme with spires and domes adorned with moonstone and silver. Known for its serene ambiance, Saravenna is illuminated by magical luminescent plants and enchanted lanterns that mimic the moon’s phases. Its citizens, skilled in arts and arcane practices, live in harmony with the sea, often seen engaging in both ter­restrial and aquatic trade. The city holds a strong mar­itime culture and a vigilant defense system against the myriad of creatures that inhabit the surrounding waters.

House of the Green Claw

This is an ancient stone structure hidden deep within the mountains of the crescent island. This enigmatic place is rumored to be a sanctuary of an ancient order of sea druids who once wielded powerful elemental magic. Heroes venturing here can unearth long-lost druidic lore or seek access to the primordial forces of water and fire.

Onyx Keep

The formidable seat of the Sun Prince, Daelin Solara, stands as a bastion of strength on the sun-shaped island. Constructed from black basalt and adorned with golden accents, the keep gleams radiantly under the sun’s light. Within its fortified walls, the Sun Prince commands his elite guard and strategizes defenses against maritime threats. The keep is also a center of ancient, arcane, so­lar magic, with vast libraries and chambers dedicated to harnessing the power of the mighty sun.

• Onyx Keep Port. The bustling port of Onyx Keep is a vibrant hub of maritime activity, teeming with boats and ships that reflect the Sun Prince’s prosperity and naval prowess. Sleek, sun-emblazoned vessels dock alongside sturdy merchant ships, while sailors and traders from distant lands exchange goods and tales of their voyag­es. The air is filled with the scent of saltwater and the creaking wood, flapping sails, and the lively chatter of the sea market. This port serves as the lifeline of Onyx Keep, facilitating trade, defense, and exploration across the many islands in the Moon-Touched Principalities.

Tower of Many Doors

This is an enigmatic structure of twisting stone and shift­ing walls. It stands hidden on a lonely island. Each door within the tower is meant to connect to a different realm or time, creating a labyrinth of endless possibilities and dangers. Heroes who brave its ever-changing halls can uncover powerful artifacts, forgotten knowledge, and cryptic prophecies. However, they must navigate the tow­er’s treacherous traps and puzzles, and be wary of the otherworldly guardians that protect its secrets. The Tow­er promises great rewards, but only to those with the wit and courage to unravel its elusive mysteries.

Silent Observers

This landmark comprises a trio of massive statues carved from ancient stone. This enigmatic monument is believed to be a place of profound divination, where heroes can seek visions and prophecies from the spirits bound to the statues. Within their hollowed base lies a sacred chamber filled with celestial inscriptions and rel­ics. Those who meditate here may receive guidance and foresight, but only if they prove themselves worthy.

Tomb of Princes

The eternal resting place for the past Moon and Sun Princes. This solemn site is guarded by wards and lumi­nescent carvings. Heroes who venture here can pay their respects, uncover lost royal secrets, and seek blessings from the spirits of the departed princes.

Vault of Molten Stone

This place is hidden in a lonely rock near the tip of the crescent moon island. Its fiery chambers contain canals of glowing lava and ancient, enchanted treasures. The vault also holds ancient scrolls and tomes containing lost knowledge and potent spells from bygone eras.

Endless Storm

With the recent alignment of astral bodies, the sahuagin’s town became a turbulent and treacherous region of tem­pests and roaring waves. Heroes must brave the storm’s fury to reach the submerged settlement, where they face the daunting task of either quelling the sahuagin threat or unraveling the cosmic mystery behind their madness. Within the storm’s depths, the characters shall encoun­ter enraged sea creatures but perhaps they can seek a way to restore peace. Their actions here shall determine the fate of both the sahuagin and the principalities.

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