diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CEntity.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CEntity.java
new file mode 100644
index 00000000..373a2acf
--- /dev/null
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CEntity.java
@@ -0,0 +1,67 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.entity;
+
+import org.bukkit.Location;
+import org.bukkit.entity.EntityType;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * CEntities are Entities that are a compound of other Entities.
+ */
+public class CEntity extends REntity {
+
+    protected List<REntity> entities = new ArrayList<>();
+
+    public CEntity(REntityServer server) {
+        super(server, EntityType.MARKER, new Location(null, 0, 0, 0));
+    }
+
+    public List<REntity> getEntities() {
+        return new ArrayList<>(entities);
+    }
+
+    public <T extends REntity> List<T> getEntitiesByType(Class<T> clazz) {
+        return entities.stream().filter(clazz::isInstance).map(clazz::cast).collect(Collectors.toList());
+    }
+
+    @Override
+    void tick() {
+        entities.forEach(REntity::tick);
+    }
+
+    @Override
+    public void hide(boolean hide) {
+        super.hide(hide);
+        entities.forEach(rEntity -> {
+            rEntity.hide(hide);
+        });
+    }
+
+    @Override
+    public void die() {
+        super.die();
+        entities.forEach(REntity::die);
+        entities.clear();
+    }
+}
diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CLine.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CLine.java
new file mode 100644
index 00000000..f3b02deb
--- /dev/null
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CLine.java
@@ -0,0 +1,243 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.entity;
+
+import org.bukkit.Location;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.entity.Display;
+import org.bukkit.entity.Player;
+import org.bukkit.util.Consumer;
+import org.bukkit.util.Transformation;
+import org.bukkit.util.Vector;
+import org.joml.Quaternionf;
+import org.joml.Vector3f;
+
+import java.util.Objects;
+
+public class CLine extends CEntity {
+
+    public static final float DEFAULT_WIDTH = 1 / 16f;
+    private static final float offset = 1 / 1024f;
+    private static final Vector offsetVec = new Vector(offset, offset, offset);
+
+    private Location from;
+    private Location to;
+    private float width = DEFAULT_WIDTH;
+    private BlockData blockData = RBlockDisplay.DEFAULT_BLOCK;
+    private boolean hide = false;
+
+    public CLine(REntityServer server) {
+        super(server);
+    }
+
+    private <T> CLine checkAndSet(T currentValue, T newValue, Consumer<T> setter) {
+        if (Objects.equals(currentValue, newValue)) return this;
+        setter.accept(newValue);
+        tick();
+        return this;
+    }
+
+    public CLine setFrom(Location from) {
+        return checkAndSet(this.from, from, location -> this.from = location);
+    }
+
+    public CLine setTo(Location to) {
+        return checkAndSet(this.to, to, location -> this.to = location);
+    }
+
+    public CLine setWidth(float width) {
+        return checkAndSet(this.width, width, w -> this.width = w);
+    }
+
+    public CLine setBlock(BlockData blockData) {
+        if (this.blockData.equals(blockData)) return this;
+        if (blockData == null) {
+            this.blockData = RBlockDisplay.DEFAULT_BLOCK;
+        } else {
+            this.blockData = blockData;
+        }
+        getEntitiesByType(RBlockDisplay.class).forEach(display -> {
+            display.setBlock(blockData);
+        });
+        return this;
+    }
+
+    @Override
+    public void hide(boolean hide) {
+        if (hide == this.hide) return;
+        this.hide = hide;
+        if (hide) {
+            if (startLine != null) startLine.hide(true);
+            if (middleLine != null) middleLine.hide(true);
+            if (endLine != null) endLine.hide(true);
+        } else {
+            tick();
+        }
+    }
+
+    @Override
+    void tick() {
+        if (from == null || to == null) return;
+        if (hide) return;
+        updateStart();
+        updateMiddle();
+        updateEnd();
+    }
+
+    private RBlockDisplay startLine;
+    private void updateStart() {
+        Vector vec = to.clone().subtract(from).toVector();
+        if (vec.length() > 35) vec.normalize().multiply(35);
+
+        if (startLine == null) {
+            startLine = new RBlockDisplay(server, new Location(null, 0, 0, 0));
+            startLine.setBrightness(new Display.Brightness(15, 15));
+            startLine.setViewRange(560);
+            startLine.setBlock(blockData);
+            entities.add(startLine);
+        } else {
+            startLine.hide(false);
+        }
+
+        startLine.move(from.clone().subtract(offsetVec));
+        startLine.setTransform(new Transformation(new Vector3f(0, 0, 0), new Quaternionf(0, 0, 0, 1), addWidth(vec).toVector3f(), new Quaternionf(0, 0, 0, 1)));
+    }
+
+    private RBlockDisplay middleLine;
+    private void updateMiddle() {
+        Vector vec = to.clone().subtract(from).toVector();
+        if (vec.length() <= 70) {
+            if (middleLine != null) middleLine.hide(true);
+            return;
+        }
+        if (vec.length() > 280) vec.normalize().multiply(280);
+        else vec = vec.clone().normalize().multiply(vec.length() - 60);
+
+        if (middleLine == null) {
+            middleLine = new RBlockDisplay(server, new Location(null, 0, 0, 0));
+            middleLine.setBrightness(new Display.Brightness(15, 15));
+            middleLine.setViewRange(560);
+            middleLine.setBlock(blockData);
+            entities.add(middleLine);
+        } else {
+            middleLine.hide(false);
+        }
+
+        Player player = server.getPlayers().stream().findFirst().orElse(null);
+        if (player == null) return;
+
+        Vector tempVector = vec.clone().normalize().multiply(30);
+        Location from = this.from.clone().add(tempVector);
+        Location to = this.to.clone().subtract(tempVector);
+
+        Vector lineVec = to.clone().subtract(from).toVector();
+        Vector playerVec = player.getLocation().toVector().subtract(from.toVector());
+        double lineVecDotItself = lineVec.dot(lineVec);
+        Vector projectionVec = lineVec.clone().multiply(lineVec.dot(playerVec)).divide(new Vector(lineVecDotItself, lineVecDotItself, lineVecDotItself));
+
+        Vector moveVec = from.toVector().add(projectionVec);
+        if (moveVec.getX() < from.getX()) {
+            moveVec.setX(from.getX());
+        }
+        if (moveVec.getX() > to.getX()) {
+            moveVec.setX(to.getX());
+        }
+        if (moveVec.getY() < from.getY()) {
+            moveVec.setY(from.getY());
+        }
+        if (moveVec.getY() > to.getY()) {
+            moveVec.setY(to.getY());
+        }
+        if (moveVec.getZ() < from.getZ()) {
+            moveVec.setZ(from.getZ());
+        }
+        if (moveVec.getZ() > to.getZ()) {
+            moveVec.setZ(to.getZ());
+        }
+
+        Vector translation = vec.clone().divide(new Vector(2, 2, 2));
+        translation.setX(-translation.getX());
+        translation.setY(-translation.getY());
+        translation.setZ(-translation.getZ());
+
+        Vector first = moveVec.clone().add(translation).subtract(from.toVector());
+        if (first.getX() < 0) {
+            translation.setX(translation.getX() - first.getX());
+        }
+        if (first.getY() < 0) {
+            translation.setY(translation.getY() - first.getY());
+        }
+        if (first.getZ() < 0) {
+            translation.setZ(translation.getZ() - first.getZ());
+        }
+
+        Vector second = to.toVector().subtract(moveVec.clone().subtract(translation));
+        if (second.getX() < 0) {
+            translation.setX(translation.getX() + second.getX());
+        }
+        if (second.getY() < 0) {
+            translation.setY(translation.getY() + second.getY());
+        }
+        if (second.getZ() < 0) {
+            translation.setZ(translation.getZ() + second.getZ());
+        }
+
+        middleLine.move(moveVec.toLocation(player.getWorld()).subtract(offsetVec));
+        middleLine.setTransform(new Transformation(translation.toVector3f(), new Quaternionf(0, 0, 0, 1), addWidth(vec).toVector3f(), new Quaternionf(0, 0, 0, 1)));
+    }
+
+    private RBlockDisplay endLine;
+    private void updateEnd() {
+        Vector vec = to.clone().subtract(from).toVector();
+        if (vec.length() <= 35) {
+            if (endLine != null) endLine.hide(true);
+            return;
+        }
+        if (vec.length() > 35) vec.normalize().multiply(35);
+
+        if (endLine == null) {
+            endLine = new RBlockDisplay(server, new Location(null, 0, 0, 0));
+            endLine.setBrightness(new Display.Brightness(15, 15));
+            endLine.setViewRange(560);
+            endLine.setBlock(blockData);
+            entities.add(endLine);
+        } else {
+            endLine.hide(false);
+        }
+
+        endLine.move(to.clone().subtract(offsetVec));
+        endLine.setTransform(new Transformation(vec.toVector3f().negate(), new Quaternionf(0, 0, 0, 1), addWidth(vec).toVector3f(), new Quaternionf(0, 0, 0, 1)));
+    }
+
+    private Vector addWidth(Vector vector) {
+        vector = vector.clone();
+        if (vector.getX() == 0) {
+            vector.setX(vector.getX() + width);
+        }
+        if (vector.getY() == 0) {
+            vector.setY(vector.getY() + width);
+        }
+        if (vector.getZ() == 0) {
+            vector.setZ(vector.getZ() + width);
+        }
+        vector.add(offsetVec).add(offsetVec);
+        return vector;
+    }
+}
diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CWireframe.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CWireframe.java
new file mode 100644
index 00000000..cf15912d
--- /dev/null
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CWireframe.java
@@ -0,0 +1,103 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.entity;
+
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.util.Consumer;
+import org.bukkit.util.Vector;
+
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Compound Box (12 CLine)
+ */
+public class CWireframe extends CEntity {
+
+    public static final float DEFAULT_WIDTH = 1 / 16f;
+    private float width = DEFAULT_WIDTH;
+
+    private Location pos1;
+    private Location pos2;
+
+    public CWireframe(REntityServer server) {
+        super(server);
+        for (int i = 0; i < 12; i++) {
+            entities.add(new CLine(server));
+        }
+    }
+
+    public CWireframe setPos1(Location pos1) {
+        this.pos1 = pos1;
+        updateAndSpawnLines();
+        return this;
+    }
+
+    public CWireframe setPos2(Location pos2) {
+        this.pos2 = pos2;
+        updateAndSpawnLines();
+        return this;
+    }
+
+    public CWireframe setWidth(float width) {
+        this.width = width;
+        updateAndSpawnLines();
+        getEntitiesByType(CLine.class).forEach(haaLine -> {
+            haaLine.setWidth(width);
+        });
+        return this;
+    }
+
+    public CWireframe setBlock(BlockData blockData) {
+        getEntitiesByType(CLine.class).forEach(haaLine -> {
+            haaLine.setBlock(blockData);
+        });
+        return this;
+    }
+
+    private void updateAndSpawnLines() {
+        if (pos1 == null || pos2 == null) return;
+
+        World world = pos1.getWorld();
+        Vector min = Vector.getMinimum(pos1.toVector(), pos2.toVector());
+        Vector max = Vector.getMaximum(pos1.toVector(), pos2.toVector())
+                .add(new Vector(1 - width, 1 - width, 1 - width));
+
+        List<CLine> lines = getEntitiesByType(CLine.class);
+        lines.forEach(line -> line.setFrom(null).setTo(null));
+
+        lines.get(0).setFrom(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX() + width, min.getY(), min.getZ()).toLocation(world));
+        lines.get(1).setFrom(new Vector(min.getX(), max.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX() + width, max.getY(), min.getZ()).toLocation(world));
+        lines.get(2).setFrom(new Vector(min.getX(), min.getY(), max.getZ()).toLocation(world)).setTo(new Vector(max.getX() + width, min.getY(), max.getZ()).toLocation(world));
+        lines.get(3).setFrom(new Vector(min.getX(), max.getY(), max.getZ()).toLocation(world)).setTo(new Vector(max.getX() + width, max.getY(), max.getZ()).toLocation(world));
+
+        lines.get(4).setFrom(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(min.getX(), max.getY() + width, min.getZ()).toLocation(world));
+        lines.get(5).setFrom(new Vector(max.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX(), max.getY() + width, min.getZ()).toLocation(world));
+        lines.get(6).setFrom(new Vector(min.getX(), min.getY(), max.getZ()).toLocation(world)).setTo(new Vector(min.getX(), max.getY() + width, max.getZ()).toLocation(world));
+        lines.get(7).setFrom(new Vector(max.getX(), min.getY(), max.getZ()).toLocation(world)).setTo(new Vector(max.getX(), max.getY() + width, max.getZ()).toLocation(world));
+
+        lines.get(8).setFrom(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(min.getX(), min.getY(), max.getZ() + width).toLocation(world));
+        lines.get(9).setFrom(new Vector(max.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX(), min.getY(), max.getZ() + width).toLocation(world));
+        lines.get(10).setFrom(new Vector(min.getX(), max.getY(), min.getZ()).toLocation(world)).setTo(new Vector(min.getX(), max.getY(), max.getZ() + width).toLocation(world));
+        lines.get(11).setFrom(new Vector(max.getX(), max.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX(), max.getY(), max.getZ() + width).toLocation(world));
+    }
+}
diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/REntityServer.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/REntityServer.java
index d5ced550..2d19e22c 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/REntityServer.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/REntityServer.java
@@ -291,10 +291,8 @@ public class REntityServer implements Listener {
     }
 
     public void tick() {
-        for(HashSet<REntity> entitiesInChunk : entities.values()) {
-            for(REntity entity : entitiesInChunk) {
-                entity.tick();
-            }
+        for (REntity entity : entityMap.values()) {
+            entity.tick();
         }
     }