Private Sanctum

Area: Cube of at least 5-feet or up to 100-feet

You increase the magical security in an area, choosing one or more of the following: 

• sound cannot pass the edge of the area.
• light and vision cannot pass the edge of the area.
• sensors created by divination spells can neither enter the area nor appear within it.
• creatures within the area cannot be targeted by divination spells.
• nothing can teleport into or out of the area.
• planar travel is impossible within the area.

Casting this spell on the same area every day for a year makes the duration permanent.