diff --git a/annotations/src/main/java/mindustry/annotations/entity/EntityProcess.java b/annotations/src/main/java/mindustry/annotations/entity/EntityProcess.java
index 81fdd12208..4b146c2cb3 100644
--- a/annotations/src/main/java/mindustry/annotations/entity/EntityProcess.java
+++ b/annotations/src/main/java/mindustry/annotations/entity/EntityProcess.java
@@ -118,6 +118,7 @@ public class EntityProcess extends BaseProcessor{
                     signatures.add(method.e.toString());
 
                     inter.addMethod(MethodSpec.methodBuilder(method.name())
+                    .addJavadoc(method.doc() == null ? "" : method.doc())
                     .addExceptions(method.thrownt())
                     .addTypeVariables(method.typeVariables().map(TypeVariableName::get))
                     .returns(method.ret().toString().equals("void") ? TypeName.VOID : method.retn())
@@ -165,18 +166,6 @@ public class EntityProcess extends BaseProcessor{
                 Log.debug("");
             }
 
-            /*
-            //generate special render layer interfaces
-            for(DrawLayer layer : DrawLayer.values()){
-                //create the DrawLayer interface that entities need to implement
-                String name = "DrawLayer" + Strings.capitalize(layer.name()) + "c";
-                TypeSpec.Builder inter = TypeSpec.interfaceBuilder(name)
-                .addSuperinterface(tname(packageName + ".Entityc"))
-                .addSuperinterface(tname(packageName + ".Drawc"))
-                .addModifiers(Modifier.PUBLIC).addAnnotation(EntityInterface.class);
-                inter.addMethod(MethodSpec.methodBuilder("draw" + Strings.capitalize(layer.name())).addModifiers(Modifier.PUBLIC, Modifier.ABSTRACT).build());
-                write(inter);
-            }*/
         }else if(round == 2){ //round 2: get component classes and generate interfaces for them
 
             //parse groups
@@ -187,17 +176,6 @@ public class EntityProcess extends BaseProcessor{
                 groupDefs.add(new GroupDefinition(group.name(), ClassName.bestGuess(packageName + "." + interfaceName(types.first())), types, an.spatial(), an.mapping(), collides));
             }
 
-            /*
-            //add special generated groups
-            for(DrawLayer layer : DrawLayer.values()){
-                String name = "DrawLayer" + Strings.capitalize(layer.name()) + "c";
-                //create group definition with no components directly
-                GroupDefinition def = new GroupDefinition(layer.name(), ClassName.bestGuess(packageName + "." + name), Array.with(), false, false, new Array<>(0));
-                //add manual inclusions of entities to be added to this group
-                def.manualInclusions.addAll(allDefs.select(s -> allComponents(s).contains(comp -> comp.interfaces().contains(in -> in.name().equals(name)))));
-                groupDefs.add(def);
-            }*/
-
             ObjectMap<String, Selement> usedNames = new ObjectMap<>();
             ObjectMap<Selement, ObjectSet<String>> extraNames = new ObjectMap<>();
 
@@ -424,7 +402,6 @@ public class EntityProcess extends BaseProcessor{
             TypeSpec.Builder groupsBuilder = TypeSpec.classBuilder("Groups").addModifiers(Modifier.PUBLIC);
             MethodSpec.Builder groupInit = MethodSpec.methodBuilder("init").addModifiers(Modifier.PUBLIC, Modifier.STATIC);
             for(GroupDefinition group : groupDefs){
-                //Stype ctype = group.components.first();
                 //class names for interface/group
                 ClassName itype =  group.baseType;
                 ClassName groupc = ClassName.bestGuess("mindustry.entities.EntityGroup");
@@ -463,14 +440,6 @@ public class EntityProcess extends BaseProcessor{
                 }
             }
 
-            /*
-            for(DrawLayer layer : DrawLayer.values()){
-                MethodSpec.Builder groupDraw = MethodSpec.methodBuilder("draw" + Strings.capitalize(layer.name()))
-                .addModifiers(Modifier.PUBLIC, Modifier.STATIC);
-                groupDraw.addStatement("$L.draw($L::$L)", layer.name(), "DrawLayer" + Strings.capitalize(layer.name()) + "c", "draw" + Strings.capitalize(layer.name()));
-                groupsBuilder.addMethod(groupDraw.build());
-            }*/
-
             groupsBuilder.addMethod(groupResize.build());
             groupsBuilder.addMethod(groupUpdate.build());
 
diff --git a/annotations/src/main/java/mindustry/annotations/util/Selement.java b/annotations/src/main/java/mindustry/annotations/util/Selement.java
index 3916fe3fd9..0bd4b81ed5 100644
--- a/annotations/src/main/java/mindustry/annotations/util/Selement.java
+++ b/annotations/src/main/java/mindustry/annotations/util/Selement.java
@@ -1,6 +1,7 @@
 package mindustry.annotations.util;
 
 import arc.struct.Array;
+import arc.util.ArcAnnotate.*;
 import com.squareup.javapoet.*;
 import com.sun.tools.javac.code.Attribute.*;
 import mindustry.annotations.*;
@@ -18,7 +19,7 @@ public class Selement<T extends Element>{
         this.e = e;
     }
 
-    public String doc(){
+    public @Nullable String doc(){
         return BaseProcessor.elementu.getDocComment(e);
     }
 
diff --git a/annotations/src/main/resources/classids.properties b/annotations/src/main/resources/classids.properties
index 676138b813..df634a82aa 100644
--- a/annotations/src/main/resources/classids.properties
+++ b/annotations/src/main/resources/classids.properties
@@ -1,18 +1,15 @@
 #Maps entity names to IDs. Autogenerated.
 
 dagger=0
-draug=10
-mindustry.entities.def.BulletComp=1
-mindustry.entities.def.DecalComp=2
-mindustry.entities.def.EffectComp=15
-mindustry.entities.def.FireComp=3
-mindustry.entities.def.GroundEffectComp=4
-mindustry.entities.def.PlayerComp=5
-mindustry.entities.def.PuddleComp=6
-mindustry.entities.def.StandardEffectComp=7
+draug=1
+mindustry.entities.def.BulletComp=2
+mindustry.entities.def.DecalComp=3
+mindustry.entities.def.EffectComp=4
+mindustry.entities.def.FireComp=5
+mindustry.entities.def.PlayerComp=6
+mindustry.entities.def.PuddleComp=7
 mindustry.entities.def.TileComp=8
-mindustry.type.Weather.WeatherComp=13
-phantom=11
-spirit=12
-vanguard=9
-wraith=14
\ No newline at end of file
+mindustry.type.Weather.WeatherComp=9
+phantom=10
+vanguard=11
+wraith=12
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/BuilderUnitEntity/0.json b/annotations/src/main/resources/revisions/BuilderUnitEntity/0.json
index a3e717b9b7..010ca755c5 100644
--- a/annotations/src/main/resources/revisions/BuilderUnitEntity/0.json
+++ b/annotations/src/main/resources/revisions/BuilderUnitEntity/0.json
@@ -1 +1 @@
-{fields:[{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
+{fields:[{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:rotation,type:float,size:4},{name:shield,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/BuilderUnitEntity/1.json b/annotations/src/main/resources/revisions/BuilderUnitEntity/1.json
deleted file mode 100644
index 66f7e0ee4a..0000000000
--- a/annotations/src/main/resources/revisions/BuilderUnitEntity/1.json
+++ /dev/null
@@ -1 +0,0 @@
-{version:1,fields:[{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:level,type:int,size:4},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/GroundEffectEntity/0.json b/annotations/src/main/resources/revisions/GroundEffectEntity/0.json
deleted file mode 100644
index 4e23d76400..0000000000
--- a/annotations/src/main/resources/revisions/GroundEffectEntity/0.json
+++ /dev/null
@@ -1 +0,0 @@
-{fields:[{name:color,type:arc.graphics.Color,size:-1},{name:data,type:java.lang.Object,size:-1},{name:lifetime,type:float,size:4},{name:offsetX,type:float,size:4},{name:offsetY,type:float,size:4},{name:rotation,type:float,size:4},{name:time,type:float,size:4},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/LegsUnitEntity/0.json b/annotations/src/main/resources/revisions/LegsUnitEntity/0.json
index 8946f13fa4..40c3cdbcdf 100644
--- a/annotations/src/main/resources/revisions/LegsUnitEntity/0.json
+++ b/annotations/src/main/resources/revisions/LegsUnitEntity/0.json
@@ -1 +1 @@
-{fields:[{name:baseRotation,type:float,size:4},{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
+{fields:[{name:baseRotation,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:rotation,type:float,size:4},{name:shield,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/LegsUnitEntity/1.json b/annotations/src/main/resources/revisions/LegsUnitEntity/1.json
deleted file mode 100644
index 23e904cbcf..0000000000
--- a/annotations/src/main/resources/revisions/LegsUnitEntity/1.json
+++ /dev/null
@@ -1 +0,0 @@
-{version:1,fields:[{name:baseRotation,type:float,size:4},{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:level,type:int,size:4},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/MinerUnitEntity/0.json b/annotations/src/main/resources/revisions/MinerUnitEntity/0.json
index d8ae40cd01..0f5535c862 100644
--- a/annotations/src/main/resources/revisions/MinerUnitEntity/0.json
+++ b/annotations/src/main/resources/revisions/MinerUnitEntity/0.json
@@ -1 +1 @@
-{fields:[{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:mineTile,type:mindustry.world.Tile,size:-1},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
+{fields:[{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:mineTile,type:mindustry.world.Tile,size:-1},{name:rotation,type:float,size:4},{name:shield,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/MinerUnitEntity/1.json b/annotations/src/main/resources/revisions/MinerUnitEntity/1.json
deleted file mode 100644
index fcd712c373..0000000000
--- a/annotations/src/main/resources/revisions/MinerUnitEntity/1.json
+++ /dev/null
@@ -1 +0,0 @@
-{version:1,fields:[{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:level,type:int,size:4},{name:mineTile,type:mindustry.world.Tile,size:-1},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/StandardEffectEntity/0.json b/annotations/src/main/resources/revisions/StandardEffectEntity/0.json
deleted file mode 100644
index 4e23d76400..0000000000
--- a/annotations/src/main/resources/revisions/StandardEffectEntity/0.json
+++ /dev/null
@@ -1 +0,0 @@
-{fields:[{name:color,type:arc.graphics.Color,size:-1},{name:data,type:java.lang.Object,size:-1},{name:lifetime,type:float,size:4},{name:offsetX,type:float,size:4},{name:offsetY,type:float,size:4},{name:rotation,type:float,size:4},{name:time,type:float,size:4},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/UnitEntity/0.json b/annotations/src/main/resources/revisions/UnitEntity/0.json
index a3e717b9b7..010ca755c5 100644
--- a/annotations/src/main/resources/revisions/UnitEntity/0.json
+++ b/annotations/src/main/resources/revisions/UnitEntity/0.json
@@ -1 +1 @@
-{fields:[{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
+{fields:[{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:rotation,type:float,size:4},{name:shield,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/UnitEntity/1.json b/annotations/src/main/resources/revisions/UnitEntity/1.json
deleted file mode 100644
index 66f7e0ee4a..0000000000
--- a/annotations/src/main/resources/revisions/UnitEntity/1.json
+++ /dev/null
@@ -1 +0,0 @@
-{version:1,fields:[{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:level,type:int,size:4},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/UnitWaterMoveEntity/0.json b/annotations/src/main/resources/revisions/UnitWaterMoveEntity/0.json
index a3e717b9b7..010ca755c5 100644
--- a/annotations/src/main/resources/revisions/UnitWaterMoveEntity/0.json
+++ b/annotations/src/main/resources/revisions/UnitWaterMoveEntity/0.json
@@ -1 +1 @@
-{fields:[{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
+{fields:[{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:rotation,type:float,size:4},{name:shield,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/annotations/src/main/resources/revisions/UnitWaterMoveEntity/1.json b/annotations/src/main/resources/revisions/UnitWaterMoveEntity/1.json
deleted file mode 100644
index 66f7e0ee4a..0000000000
--- a/annotations/src/main/resources/revisions/UnitWaterMoveEntity/1.json
+++ /dev/null
@@ -1 +0,0 @@
-{version:1,fields:[{name:drownTime,type:float,size:4},{name:elevation,type:float,size:4},{name:health,type:float,size:4},{name:level,type:int,size:4},{name:rotation,type:float,size:4},{name:team,type:mindustry.game.Team,size:-1},{name:type,type:mindustry.type.UnitType,size:-1},{name:x,type:float,size:4},{name:y,type:float,size:4}]}
\ No newline at end of file
diff --git a/core/src/mindustry/content/StatusEffects.java b/core/src/mindustry/content/StatusEffects.java
index a925a77be4..45264275b3 100644
--- a/core/src/mindustry/content/StatusEffects.java
+++ b/core/src/mindustry/content/StatusEffects.java
@@ -85,6 +85,7 @@ public class StatusEffects implements ContentList{
             damageMultiplier = 1.4f;
             damage = -0.01f;
             effect = Fx.overdriven;
+            permanent = true;
         }};
 
         shielded = new StatusEffect("shielded"){{
@@ -92,9 +93,7 @@ public class StatusEffects implements ContentList{
         }};
 
         boss = new StatusEffect("boss"){{
-            armorMultiplier = 3f;
-            damageMultiplier = 3f;
-            speedMultiplier = 1.1f;
+            permanent = true;
         }};
 
         shocked = new StatusEffect("shocked");
diff --git a/core/src/mindustry/entities/def/FlyingComp.java b/core/src/mindustry/entities/def/FlyingComp.java
index 0662d0dfa6..0ca6b54b03 100644
--- a/core/src/mindustry/entities/def/FlyingComp.java
+++ b/core/src/mindustry/entities/def/FlyingComp.java
@@ -18,7 +18,7 @@ abstract class FlyingComp implements Posc, Velc, Healthc, Hitboxc{
     @Import Vec2 vel;
 
     float elevation;
-    float drownTime;
+    transient float drownTime;
     transient float splashTimer;
 
     boolean isGrounded(){
diff --git a/core/src/mindustry/entities/def/StatusComp.java b/core/src/mindustry/entities/def/StatusComp.java
index e158904a04..5fd937469b 100644
--- a/core/src/mindustry/entities/def/StatusComp.java
+++ b/core/src/mindustry/entities/def/StatusComp.java
@@ -29,6 +29,12 @@ abstract class StatusComp implements Posc, Flyingc{
         return amount * Mathf.clamp(1f - armorMultiplier / 100f);
     }
 
+    /** Apply a status effect for 1 tick (for permanent effects) **/
+    void apply(StatusEffect effect){
+        apply(effect, 1);
+    }
+
+    /** Adds a status effect to this unit. */
     void apply(StatusEffect effect, float duration){
         if(effect == StatusEffects.none || effect == null || isImmune(effect)) return; //don't apply empty or immune effects
 
@@ -61,6 +67,17 @@ abstract class StatusComp implements Posc, Flyingc{
         statuses.add(entry);
     }
 
+    /** Removes a status effect. */
+    void unapply(StatusEffect effect){
+        statuses.remove(e -> {
+            if(e.effect == effect){
+                Pools.free(e);
+                return true;
+            }
+            return false;
+        });
+    }
+
     boolean isBoss(){
         return hasEffect(StatusEffects.boss);
     }
@@ -87,7 +104,7 @@ abstract class StatusComp implements Posc, Flyingc{
     @Override
     public void update(){
         Floor floor = floorOn();
-        if(isGrounded() && floor.status != null){
+        if(isGrounded()){
             //apply effect
             apply(floor.status, floor.statusDuration);
         }
@@ -105,7 +122,7 @@ abstract class StatusComp implements Posc, Flyingc{
             entry.time = Math.max(entry.time - Time.delta(), 0);
             applied.set(entry.effect.id);
 
-            if(entry.time <= 0){
+            if(entry.time <= 0 && !entry.effect.permanent){
                 Pools.free(entry);
                 index --;
                 statuses.remove(index);
@@ -119,6 +136,12 @@ abstract class StatusComp implements Posc, Flyingc{
         }
     }
 
+    public void draw(){
+        for(StatusEntry e : statuses){
+            e.effect.draw((Unitc)this);
+        }
+    }
+
     boolean hasEffect(StatusEffect effect){
         return applied.get(effect.id);
     }
diff --git a/core/src/mindustry/entities/def/UnitComp.java b/core/src/mindustry/entities/def/UnitComp.java
index 3de7c0459f..95c5d5f8a9 100644
--- a/core/src/mindustry/entities/def/UnitComp.java
+++ b/core/src/mindustry/entities/def/UnitComp.java
@@ -18,14 +18,12 @@ import mindustry.world.blocks.environment.*;
 import static mindustry.Vars.*;
 
 @Component
-abstract class UnitComp implements Healthc, Velc, Statusc, Teamc, Itemsc, Hitboxc, Rotc, Massc, Unitc, Weaponsc, Drawc, Boundedc, Syncc{
-    @Import float x, y, rotation, elevation;
+abstract class UnitComp implements Healthc, Velc, Statusc, Teamc, Itemsc, Hitboxc, Rotc, Massc, Unitc, Weaponsc, Drawc, Boundedc, Syncc, Shieldc{
+    @Import float x, y, rotation, elevation, maxHealth;
 
     private UnitController controller;
     private UnitType type;
 
-    int level;
-
     public void moveAt(Vec2 vector){
         moveAt(vector, type.accel);
     }
@@ -92,7 +90,7 @@ abstract class UnitComp implements Healthc, Velc, Statusc, Teamc, Itemsc, Hitbox
     @Override
     public void type(UnitType type){
         this.type = type;
-        maxHealth(type.health);
+        this.maxHealth = type.health;
         heal();
         drag(type.drag);
         hitSize(type.hitsize);
diff --git a/core/src/mindustry/type/StatusEffect.java b/core/src/mindustry/type/StatusEffect.java
index e7aacc1c41..0f7048b152 100644
--- a/core/src/mindustry/type/StatusEffect.java
+++ b/core/src/mindustry/type/StatusEffect.java
@@ -19,6 +19,8 @@ public class StatusEffect extends MappableContent{
     public float speedMultiplier = 1f;
     /** Damage per frame. */
     public float damage;
+    /** If true, the effect never disappears. */
+    public boolean permanent;
     /** Tint color of effect. */
     public Color color = Color.white.cpy();
     /** Effect that happens randomly on top of the affected unit. */
@@ -71,6 +73,10 @@ public class StatusEffect extends MappableContent{
         }
     }
 
+    public void draw(Unitc unit){
+
+    }
+
     public boolean reactsWith(StatusEffect effect){
         return transitions.containsKey(effect);
     }
diff --git a/gradle.properties b/gradle.properties
index b3ae2b151f..57a7b13075 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xms256m -Xmx1024m
-archash=1a08af7c65c887436d305a69928d9845ccfa3874
+archash=c3020adc9f3b6180662a1b8f9f3046b9266fe012