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Need help with tricky cosmology
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<blockquote data-quote="Andor" data-source="post: 3271255" data-attributes="member: 1879"><p>The transitive plain, the field of stars, is linked to the stars and can be reached only from a place directly underneath a star. This give you both your means of faster travel and gives you a multi-planar navigational instrument...</p><p></p><p>The <strong>Astroglobe</strong>: Picture three clear plastic spheres of different sizes, nested from smallest to largest. The outermost globe shows the stars in the sky. The middle globe shows the prime material plane (or whatever the PC homeworld is called). The center globe shows the transitive plane. The transitive plane has a point to point correspndence to the material plane (If not neccesarily similar geography) but it is smaller, so travel from point to point moves faster than on the material plane. </p><p></p><p>So to plot a course from point A to point B you extend a line from the center of the globe out to the sky (Picture a handy laser pointer) Whichever star is closest to being directly overhead is where you go to enter the transitive plane, the star closest to your goal is where you exit the transitive. Assuming the geography of both planes allows it of course. </p><p></p><p>The actual magical Astroglobe is presumably enchanted cystal rather than clear plastic, but you get the idea.</p><p></p><p>Now if you really want to screw with your players the stars have colors (some of which may change over time) and these colors show which plane the star is linked to. Most are white which links to the transitive plane, red for the plane of fire, blue for air, etc.. Some stars are multi-colored and link to multiple planes. So now you have several globes of different colors nested one inside the next.</p><p></p><p>So for example: The PCs need to get to the island of McGuffin. The only star directly over the island is the <em>Dexter Ruby</em> a red star. So the PCs need to travel through the plane of fire to where they can use the <em>dexter ruby</em> portal to travel to the island of McGuffin.</p><p></p><p>If you really want to screw with them, the skies of the various planes might not be the same, or relate to one another oddly. This could be anything from distortion to reversals or even scrambling. The Astroglobe might have a series of crystal viewing lenses to allow one to see the different skies, or it may be as complex as Olgra's orrey from the Dark Crystal.</p><p></p><p>Possible plot points:</p><p></p><p>The bad guys may control the portal spots near their stronghold.</p><p></p><p>Different planar geographies may cause strange detours. The portal of <em>Ogrivid's Eye</em> may be convenient on your plane but on the transitive plane it's in the middle of a void ocean so you travel to the fairy realm and from there to <em>Ogrivid's Eye</em> and to your destination. (Obviously in this case <em>Ogrivid's Eye </em> links to multiple planes.) If you feel evil you can make some treks a real multiplanar wandering.</p><p></p><p>The <em>Life Gate </em> portal is a variable star. For 3 days every ten years it turns black and links to a terrible plane. No one has survived journeying there, but an evil wizard plans to cast a spell drawing on the link to that plane. The PCs have to keep him from reaching the portal zone for those three days.</p><p></p><p>The fallen kingdom of Whatever hid an enormous treasure in a vault on a distant plane. The trouble is no one knows how to get to that plane. But rumour has it that a low level party has found an unknown crystal lens that may reveal the route to the lost plane.</p></blockquote><p></p>
[QUOTE="Andor, post: 3271255, member: 1879"] The transitive plain, the field of stars, is linked to the stars and can be reached only from a place directly underneath a star. This give you both your means of faster travel and gives you a multi-planar navigational instrument... The [B]Astroglobe[/B]: Picture three clear plastic spheres of different sizes, nested from smallest to largest. The outermost globe shows the stars in the sky. The middle globe shows the prime material plane (or whatever the PC homeworld is called). The center globe shows the transitive plane. The transitive plane has a point to point correspndence to the material plane (If not neccesarily similar geography) but it is smaller, so travel from point to point moves faster than on the material plane. So to plot a course from point A to point B you extend a line from the center of the globe out to the sky (Picture a handy laser pointer) Whichever star is closest to being directly overhead is where you go to enter the transitive plane, the star closest to your goal is where you exit the transitive. Assuming the geography of both planes allows it of course. The actual magical Astroglobe is presumably enchanted cystal rather than clear plastic, but you get the idea. Now if you really want to screw with your players the stars have colors (some of which may change over time) and these colors show which plane the star is linked to. Most are white which links to the transitive plane, red for the plane of fire, blue for air, etc.. Some stars are multi-colored and link to multiple planes. So now you have several globes of different colors nested one inside the next. So for example: The PCs need to get to the island of McGuffin. The only star directly over the island is the [I]Dexter Ruby[/I] a red star. So the PCs need to travel through the plane of fire to where they can use the [i]dexter ruby[/i] portal to travel to the island of McGuffin. If you really want to screw with them, the skies of the various planes might not be the same, or relate to one another oddly. This could be anything from distortion to reversals or even scrambling. The Astroglobe might have a series of crystal viewing lenses to allow one to see the different skies, or it may be as complex as Olgra's orrey from the Dark Crystal. Possible plot points: The bad guys may control the portal spots near their stronghold. Different planar geographies may cause strange detours. The portal of [I]Ogrivid's Eye[/I] may be convenient on your plane but on the transitive plane it's in the middle of a void ocean so you travel to the fairy realm and from there to [I]Ogrivid's Eye[/I] and to your destination. (Obviously in this case [I]Ogrivid's Eye [/I] links to multiple planes.) If you feel evil you can make some treks a real multiplanar wandering. The [I]Life Gate [/I] portal is a variable star. For 3 days every ten years it turns black and links to a terrible plane. No one has survived journeying there, but an evil wizard plans to cast a spell drawing on the link to that plane. The PCs have to keep him from reaching the portal zone for those three days. The fallen kingdom of Whatever hid an enormous treasure in a vault on a distant plane. The trouble is no one knows how to get to that plane. But rumour has it that a low level party has found an unknown crystal lens that may reveal the route to the lost plane. [/QUOTE]
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