Your adventures are awesome, just getting that out of the way. I’ve been thinking a lot lately about spelljammer, due to rewatching treasure planet most likely, and I’m curious how you would handle it
Drafting an Adventure: Setting Sail in the Astral Sea
Forgive the break from my usual format for this prompt, but as it deals with past versions of d&d and how I implement some of these ideas in my game, I figured I needed to change up my authorial voice for this one.
For those who might not know, Spelljammer is d&d’s answer to starwars style planetary adventuring, and is both its own setting as well as an “addon” to other campaigns involving a magical means by which adventurers could fly out from their homeworld into an version of space modelled on archaic views of the universe as a way of explaining why their wooden spaceship didn’t have to worry about things like gravity or vacuum pressure.
I was never into Spelljammer myself, as it was primarily a 2nd edition thing and i started playing the game with 3/3.5. While the idea of fantasy spaceships was always intriguing, I felt that Spelljammer itself was a bit silly, with its space hamsters, British hippo gun fetishists, and reliance on “ D&D trope, BUT IN SPACE” to prop up much of its material.
That said, we can all agree Treasure Planet, and the idea of fantasy space pirates is SICK AS SHIT, so I’d be doing a disservice to myself and the campaigns I run if I didn’t have that sort of thing running in the background.
So lets talk first about how I run the astral sea, as I use that as my backdrop for such adventures:
The Astral Sea is an expanse of starry void, filled with glittering mists and nebulae and aurora, as well as the occasional field of crystalline coral. It is the raw canvas of creation upon which the gods ( and other great powers) paint their myriad creations. This morphic quality is also utilized by powerful arcanists to create their own worldlets and mind-palaces, making their dreams into physical domains of impossible wonder. When these arcanists die or otherwise move on, these realms endure, slowly drifting together into ruinous archipelagos that provide habitat for astral denizens.
There is no such thing as distance in the astral plane, more of a notional geography of one landmark in relation to another. Part of the reason this great expanse is referred to as a "sea" is that navigation in such a realm requires either the following of particular " currents" that follow predictable routes through the expanse, or by the charting the relative position of various landmarks in relation to one's desired destination. One could also make use of the vast network of portals to get about, trace the boughs of the cosmic trees, or take a walk on the infinite staircase.
Its bad to be out in the astral sea for too long, as that primordial chaos can either unweave one's being or make some unwanted "Creative additions". This necessitates an astral ship for a long journey, or sheltering in a crystalline reef or other structure.
The Shallows of the astral sea reside in the realms of mortal dreams, and the phantasms of imagination and flotsam of fantasy spill over into the starry expanse.
Running Astral Adventures:
Since the Astral plane is by definition so far removed from the "grounded" state of traditional fantasy adventuring, I like to think of it as a sort of secret/background/bonus lore that's never touched on in most games, until the party starts having dealings with high level wizards and the like. A wonderous thing they get to discover when they cross over the threshold from practical heroics into the realm of the fantastical. That threshold is likely an unintentional one, as an unknown portal or teleportation mishap sends the party hurtling into the unknown, only for them to have to struggle through a strange world and find their way back to reality.
The construction, reclamation, or chartering of an astral ship is then a later benchmark where the party has taken control over their destiny, allowing them to travel between the realms by their own agency.
Adventure Hooks:
The diaspora of innumerable dead worlds spread out through the astral cosmos, survivors of realities that collapsed under their own weight or the mismanagement of their gods. These Starry pilgrims can find new homes among the reefs, or travel from world to world as astral nomads. Such an existence is a hard one, and it's not unusual for some of these peoples to turn to interdimensional raiding and piracy as a means of survival. Often the loot of these raids ends up in the markets of Leng, where the treasure of a thousand worlds flows through wicked hands of that world's miasmic masters.
In the most twisted and surreal expanses of the dreamscape, the Quori hold sway, formless tyrants incapable of creation themselves and so desperate to claim the minds of mortals to give shape and order to their nightmare realm.
The ruins of civilizations beyond count float in the astral sea, just waiting to be explored. Expeditions to these dream palaces can be great undertakings, but can provide campaigns without frequent dungeon crawls a chance to get their delve on without having to leave an important central location of a campaign.
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