Astral Barrier

This article is simply not long enough. But with a bit of magic, we can help Ars Magica 2 Wiki by bringing it up to the proper size.

Uses Etherium To prevent Magic In A Radius Around Itself, Radius is determined by focus placed in middle slot.

Lesser Focus: 5 blocks

Standard Focus: 10 Blocks

Greater Focus: 15 Blocks

also requires a redstone signal to function, and a keystone pattern can be used, and players with a matching keystone can use magic in the barier's affected radius.