Item: Lesser Cube of Nex

A Lesser Cube of Nex is an enchanted cube that measures an inch across. The sides of a Lesser Cube of Nex are decorated so that they can be distinguished by touch. Each Lesser Cube of Nex is attuned to a single school of magic. Within 5 feet of the Lesser Cube, all magic from that school is suppressed or impossible to cast, with the effects of a 10th-rank Antimagic Field spell. While there are eight Lesser Cubes of Nex, each of the artifacts is unique, as there's only one Lesser Cube of Nex for each school of magic.

Activate 2 Interact

Frequency once per hour

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Effect You hold the cube aloft and depress one of its six faces for several seconds. The cube creates six walls around you, creating a cube 10 feet on each side centered on you (typically centered on the top of your space if you're a Medium creature). If a creature or object overlaps any of these walls, that face of the cube doesn't appear; this also means if you're Huge or larger, the activation has no effect, as your space is larger than the cube would be. The effect of the six walls depends on which face of the cube you press when you Activate the cube, as seen on the Cube Effects table (below). Pressing the sixth cube face with a simple Interact action Dismisses the effect; doing so isn't an activation and thus doesn't count against the cube's frequency. The walls have the AC, Hit Points, and Hardness of a Wall Of Force.You must first Dismiss any previous activation before you use it again.

Cube Face	Effect
1	The walls keep out gas and wind, attempting to counteract such effects that cross the threshold with a [[/r 1d20+20 #Counteract]]{+20} counteract modifier but allowing all other things through.
2	The walls block nonliving matter from crossing; a nonliving creature must succeed at a DC 30 Will save to cross the threshold, wasting their move action on a failure, and unattended objects can't cross. Non-magical ranged attacks can't cross either and instead attack the wall. A living creature can bring attended objects across the walls without needing to attempt a saving throw.
3	The walls block living matter from crossing; a living creature must succeed at a DC 30 Will save to cross the threshold, wasting their move action on a failure.
4	The walls keep out magical effects that cross the threshold, attempting to counteract magical effects with a [[/r 1d20+20 #Counteract]]{+20} counteract modifier, though they don't prevent a creature with magical items or effects from entering.
5	The walls block everything, with the effects of Wall Of Force.
6	The cube is Dismissed (this takes only an Interact action and isn't an activation).