An invisible wall of force springs into existence at a point you choose within range. The wall appears in any orientation you choose, as a horizontal or vertical barrier or at an angle. It can be free floating or resting on a solid surface. You can form it into a hemispherical dome or a sphere with a radius of up to 10 feet, or you can shape a flat surface made up of ten 10-foot-by-10-foot panels. Each panel must be contiguous with another panel. In any form, the wall is 1/4 inch thick. It lasts for the duration. If the wall cuts through a creature's space when it appears, the creature is pushed to one side of the wall (your choice which side).
Nothing can physically pass through the wall. It is immune to all damage and can't be dispelled by dispel magic. A disintegrate spell destroys the wall instantly, however. The wall also extends into the Ethereal Plane, blocking ethereal travel through the wall.
* - (a pinch of powder made by crushing a clear gemstone)
You cannot teleport through wall of force. Teleportation takes place on the material plane. Jeremy Crawford tweet below:
The wall of force spell in D&D says nothing can pass through it, whether on the Material Plane or the Ethereal Plane. That means nothing can pass through it on the Material Plane or the Ethereal Plane, even if that thing has incorporeal movement.
probably a dumb question but does sound travel through the barrier?
Man, that's a tough one. It says "nothing can physically pass through the wall" so I'd be inclined to argue that no, sound doesn't travel through it, because sound is a vibration in a physical substance. But one could also argue that the RAI of this is to block solid objects from passing through it.
It says you chose which side the creature goes on when it cuts through their space. So, hypothetically speaking, if you make a horizontal wall a foot off the ground (maybe higher depending on the target) then create it so your target is in the center, they get thrown prone under the wall of force. No chasing you, very little movement, disadvantage on dex saves. Feel free to fireball to your hearts content.
I'm noticing a lot of debate on whether sound or spells can pass through the wall. In the final fight of ExU: Calamity, well known GM Brennan Lee Mulligan had the BBGE attempt to cast Power Word Kill on a player who was protected by Wall of Force. He stopped for a minute to examine both spells and made the ruling that yes, PWK can affect someone inside the confines of the wall. I'm guessing he just made a home ruling to provide a sense of real danger in the situation and the party ultimately was able to react to stop the caster before they pulled it off. There was another situation in the same campaign where a player trapped a corrupt wizard inside a Wall of Force but Mulligan didn't have them try to escape with Dimension Door or Misty Step.
I'm curious what people think of this.