Abyssalite Plasma Barrier v1.3.9 TEST

- New built barrier art embedded in KAnim.
- Built world animation scaled to 1.65x.
- Placement wireframe remains normal size.
- Build-menu thumbnail reduced to about 64%.
- Transparent atlas with edge color bleeding to reduce black rectangle/fringe artifacts.
- In-game description updated.
- Ready to install; no build scripts required.
