Analyze Portal

School divination; Level bard 3, psychic 3, sorcerer/wizard 3


Casting Time 1 minute
Components V, S, M (a crystal lens and a small mirror)


Range 60 ft.

Area Cone-shaped emanation
Duration Concentration up to 1 round/level (D)
Saving Throw see text; Spell Resistance no


You can detect whether there is a magic portal or a gate spell within the area. If you study the area for 1 round you know the size and locations of the portals in the area. Once you find a portal, you can then study it to find more information. You can only study one portal at a time if there are more than one in the area.

With each round of study you gain one piece of information in this order:

  • A key or command word needed to use the portal.
  • Any specific circumstances needed for activation, like time of day or presence of certain creatures.
  • Whether the portal is one-way or two-way.
  • A glimpse into the place where the portal leads.

This perspective uses your own unaided vision as if you were standing on the other end of the portal. This does not allow you to use other divination spells through this vision. This glimpse lasts only 1 round.

For each property, you must make a caster level check equal to the caster level of the portal or gate effect. If you fail you may attempt the check again the next round.

This spell has only a minor ability to determine other portal effects as follows:

  • Random portals: The spell reveals only that the portal is random and if it can be activated now. It does not reveal any timeframes.
  • Variable portals: The spell reveals only that the portal is variable. The destination shown is only the one it is currently set to.
  • Creature portals: The spell reveals this property. If their equipment is separated from the creature, the destination of the equipment is not revealed.
  • Malfunctioning portals: The spell only reveals it is malfunctioning, not what the malfunction is.
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