Dimensional Darkside Mirror

Stealth

+37 (master) to notice it isn't a regular mirror

Disable

Thievery DC 40 (legendary) to retrieve a creature from the other dimension within 10 minutes of the switch (possible only if their mirror duplicate is dead), Thievery DC 45 (master) to permanently disable the mirror once all mirror duplicates are dead, or dispel magic (8th level; counteract DC 37) to counteract the mirror for 1 minute and prevent additional replacements during that time

The mirror can't be damaged while any mirror duplicate is alive

AC 34, Fort +25, Ref +20

Hardness

1

HP

4 (BT 2)

Reflection of Evil [Reaction] (arcane, conjuration, teleportation);