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Mordenkainen's Private Sanctum 4th level abjuration

Casting Time: 10 minutes

Range: 120 feet

Components: V, S, M (a thin sheet of lead, a piece of opaque glass, a wad of cotton or cloth, and powdered chrysolite)

Duration: 24 hours

Tags: wizard level4 abjuration

You make an area within range magically secure. The area is a cube that can be as small as 5 feet to as large as 100 feet on each side. The spell lasts for the duration or until you use an action to dismiss it.

When you cast the spell, you decide what sort of security the spell provides, choosing any or all of the following properties:

Casting this spell on the same spot every day for a year makes this effect permanent.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, you can increase the size of the cube by 100 feet for each slot level beyond 4th. Thus you could protect a cube that can be up to 200 feet on one side by using a spell slot of 5th level.

You can find more information on this spell in: PHB.262