44
votes
Accepted
Can I have an interplanar portal return someone to the wrong time or place?
You are allowed to do that as the DM
The DM has the power to override rules. Even if a spell description does not state your scenario as a possibility, it is completely ok to insert a plot device ...
- 61.3k
42
votes
What would happen if I put an Immovable Rod (or in general an object) into a closing portal?
Taking a look at the description from 5e spells that open portals to other planes such as the 9th level conjuration spell Gate:
The portal has a front and a back on each plane where it appears.
...
- 3,288
42
votes
Accepted
What happens to matryoshka Mordenkainen's Magnificent Mansions?
The Mansion no longer exists
The first line of the spell reads:
You conjure an extradimensional dwelling in range that lasts for the duration.
(emphasis added)
This sentence implies that the mansion ...
- 13.8k
25
votes
Accepted
Can Gated Fiends/Celestials Die Permanently?
No
To open, lets look at a sample of the rules that say you cannot permanently kill such a creature outside of their home plane...
The only way to truly destroy a demon is to seek it in the Abyss and ...
- 64.3k
19
votes
Accepted
Can a Paladin's Divine Sense ability detect good and evil through a portal?
First of all, Divine Sense does not mechanically detect "good or evil" creatures. It specifically allows you to locate any celestial, fiend, or undead within 60 feet of you. The first line of the ...
- 49.4k
18
votes
Accepted
How many creatures can step through a Teleportation Circle before it closes?
They could all make it if they hurry.
Let's assume Medium creatures with a speed of 30, such as humans or elves.
The circle lasts one round, so anyone within 60 feet of it (assuming they can Dash) ...
- 22k
18
votes
Accepted
What's the orientation of the Rope Trick hole?
It isn't defined
As you've noted, the spell description doesn't specify orientation. Windows are just openings and while most of think of a window on a wall, a window in a floor or ceiling is still a ...
- 124k
16
votes
Can the Gate spell draw a creature larger that 20 feet in every dimension through the portal it creates?
The rules are ambiguous
Here are two possible interpretations. Since there are two, you'll have to ask your GM whether this will work:
The creature is drawn through regardless of size
Spells do what ...
- 71.8k
16
votes
What options are available to a Portable Hole owner?
RAW rules indicate the negative for all of those possibilities
The Portable Hole can be opened by two people, holding it open like a sheet.
No, it can not. The portable hole(DMG, 185) states with my ...
- 124k
15
votes
Accepted
Does the Horizon Walker ranger's Portal Lore feature detect portals that are currently inactive?
Yes, this ability should work on closed portals.
For reference, the Horizon Walker's ability as found in Xanathar's Guide to Everything is called Detect Portal. Its description states:
At 3rd level, ...
- 562
14
votes
Accepted
Where do you go when a Portal closes from the other side?
Ask yourself, "If you walk through a door then some one closes it behind you, which side of the door are you on?"
- 2,203
14
votes
Accepted
How can one create a permanent walk-through-portal to another location?
There is a wondrous legendary magic item (described in the DMG) called the Well of Many Worlds which would probably fit your purposes. The text of this item is:
This fine black cloth, soft as silk, ...
- 27.6k
14
votes
Is a teleportation circle’s shimmering portal always open?
A permanent Teleportation Circle is not always open
The purpose of a permanent teleportation circle is to function as an anchor and exit for the circle created during the typical casting of ...
- 1,869
13
votes
Can I have an interplanar portal return someone to the wrong time or place?
Yes you can
I'm going to change the frame of the question:
What Id like to do is create a scenario where PC enter some sort of portal for inter planer travel but when they return, they arent in the ...
- 64k
13
votes
Accepted
Traveling through the Astral Plane
You enter the new plane whole
From the spell description:
Your astral form can freely travel through the Astral Plane and can
pass through portals there leading to any other plane. If you enter a
new ...
- 61.3k
12
votes
Can I have an interplanar portal return someone to the wrong time or place?
The accepted answer is correct (the DM can do anything he wants), but I'd like to add some supplementary lore.
The Astral Shard is a magical stone appearing in The Tower of Deception, a short D&D ...
- 78.4k
10
votes
Can creatures inside the Rope Trick hear the sounds from outside?
Probably yes, in the end up to the DM
The full quote for what is crossing the entrance is:
Spells cannot be cast across the extradimensional interface, nor can area effects cross it. Those in the ...
- 85.6k
9
votes
What would happen if I put an Immovable Rod (or in general an object) into a closing portal?
Up to the DM
So if you're the DM, it's up to you. Since such an interaction is not specified in the description of the Immovable Rod in the DMG, there is no official guidance on this, so the DM will ...
- 78.3k
9
votes
Is there a spell that is a combination of "Gate" and "Transport"?
Teleportation Circle (Sor/Wiz 9) from the PHB does what you need, lasts 10 min/level and can be made permanent. The transport is one-way.
Edit: It has 10 ft. Diameter. So assuming 30ft movement ...
- 737
9
votes
Can a Paladin's Divine Sense ability detect good and evil through a portal?
I reach a different conclusion than the currently accepted answer.
I interpret any form of doorway or magical portal to shorten distances (it's their purpose, after all) so that any celestial, fiend, ...
- 1,484
9
votes
Are you considered out of range of spells and weapons when inside the hole of a Portable Hole?
No, unless the hole is closed.
The description of the portable hole says:
A breathing creature within a closed portable hole can survive for up
to 10 minutes, after which time it begins to suffocate.
...
- 28.9k
9
votes
Accepted
Is a teleportation circle’s shimmering portal always open?
The portal is not always open
A teleportation circle and the shimmering portal sometimes associated with them are not the same thing at all, although they are related.
A permanent teleportation circle ...
- 28.9k
9
votes
Accepted
Is this "Arcane Wormhole" spell based on Portal, balanced?
Probably no, but you can't say without actual playtesting
A standard way of estimating homebrew content without playtesting is to compare it with similar (official ones, hence, already playtested) ...
- 64k
8
votes
Does matter spontaneously move through a gate?
The effect of a gate probably shouldn't let through freestanding material
When the description of the 9th-level spell gate [conj] (PH 234) says that "anyone or anything that moves through is ...
- 190k
8
votes
Can a portal to the Quasi-Elemental Plane of Radiance be used to do damage?
While a feature of earlier editions, the quasi-elemental planes go unmentioned in Dungeons and Dragons 3.5. However, the Dragon #321 article "The Limitless Light" (64-8) describes the Plane of ...
- 190k
8
votes
What happens if a large vehicle collides with an arcane gate?
I may be off, but here are my two cents:
RAW states (my emphasis):
You create linked teleportation portals that remain open for the duration.
Choose two points on the ground that you can see, ...
- 609
8
votes
Can the Gate spell draw a creature larger that 20 feet in every dimension through the portal it creates?
It's a bit up to the DM as dimensions may differ from size category
How does the Gate spell (PHB, 244) work?
The spell begins with a description of the size of the portal it opens (emphasis mine):
...
- 124k
8
votes
Accepted
What is the distance to points in another dimension, if there is a portal or gate to it?
It's complicated
Mordenkainen, in his second treatise on inter-dimensional dimensions, postulated that....
No, wait, that's not right, because....
The rules don't say
The rules don't define inter-...
- 28.9k
8
votes
Accepted
Where do you end up when you cast Dimension Door from an extradimensional space?
The spell would fail
Any teleportation spell needs to be aimed at a valid target, just like any other spell. In our case, a "valid target" is an empty space that respects the spell's ...
- 8,554
7
votes
Accepted
Does the interior of a portable hole rotate to adhere to the hole's orientation?
This answer is based on 5e
Your wine collection will be fine, maybe.
Since portable hole exists in a different plane, the orientation of the portal does not change the orientation of the plane.
...
- 71.8k
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