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Message: <blockquote data-quote="Fralex" data-source="post: 7675755" data-attributes="member: 6785902">Hmm... but does physics allow the dimension door itself to have velocity? That is to say, if the spell teleports the user by creating a temporary wormhole or other space-bending portal around them, wouldn't the portal, as a product of the user, be brought into existence moving with the user? In that case, passing through the portal to a location on the ground, regardless of what speed you are falling, would be no different from stepping onto a merry-go-round by running alongside it at the same speed and jumping. From the user's perspective, the ground did not "come up to meet them"; it simply appeared underneath them moving at exactly the same speed they were falling at. Motion is relative, after all. Why should the portal be stationary with respect to the planet's motion and not your own?Well, unless the magic spell does not come directly from the user. The PHB describes magic as the bending of strings on the mystical Weave to distort reality in a specific way. The Weave is virtually omnipresent, so it probably moves along with a planet, not any one person. If it were to create a wormhole and pass it through a creature, that portal probably would not stop the ground's rapid approach and momentum, with respect to the planet and its magic-infused atmosphere (thaumasphere?), would be conserved.Teleportation circle, on the other hand, states that the portal emerges from a circle drawn on the ground. If you can lift up that patch of ground without disrupting the magic, and you were to jump off a cliff with that patch of ground, then teleporting could save you. Well, unless the circle you draw is just a marker for where the portal will be created, not where it will stay. Then it's got the same problem as dimension door.</blockquote>

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