There is a Legacy version
here.
Mirror Refuge [two-actions] Feat 9Extradimensional Occult Reflection Source Dark Archives (Remastered) pg. 121Frequency once per day
Prerequisites Mirror-RisenRequirements You’re within 5 feet of a mirrored surface.
Your origin in the space behind mirrors enables you to use a mirror as a hideaway, like the spell one with stone. You meld into an adjacent mirror. You can hear but not see outside this space, and creatures outside can't see or hear you. You can cast spells while within the mirror, but no effects can cross the mirror. Your Mirror Refuge lasts for 10 minutes unless the mirror is broken, which expels you and deals 10d6 damage to you. You can
Dismiss the effect. You appear in a space adjacent to the mirror when the effect ends.
Traits
Extradimensional: This effect or item creates an extradimensional space. An extradimensional effect placed inside another extradimensional space ceases to function until it is removed.
Occult: This magic comes from the occult tradition, calling upon bizarre and ephemeral mysteries. Anything with this trait is magical.
A creature with this trait is primarily constituted of or has a strong connection to occult magic.
Reflection: A creature with this trait has the reflection versatile heritage. Reflections are beings who are copies of living people, whether through cloning, planar duplication, or another mechanism. An ability with this trait can be used or selected only by reflections.