diff --git a/assets/animations.json b/assets/animations.json
index 5cdbc6e..97d922b 100644
--- a/assets/animations.json
+++ b/assets/animations.json
@@ -121,9 +121,9 @@
   },
   "rat_king_boss": {
     "_type": "Animation",
-    "easing": 1,
-    "ease_rate": 0.5,
-    "scale": 0.4,
+    "easing": 4,
+    "ease_rate": 0.9,
+    "scale": 0.8,
     "simple": false,
     "frames": 2,
     "speed": 0.02,
diff --git a/assets/boss2/boss_fight_scene_1_floor.png b/assets/boss2/boss_fight_scene_1_floor.png
new file mode 100644
index 0000000..180007b
Binary files /dev/null and b/assets/boss2/boss_fight_scene_1_floor.png differ
diff --git a/assets/boss2/boss_fight_scene_1_wall.png b/assets/boss2/boss_fight_scene_1_wall.png
new file mode 100644
index 0000000..ddb95f2
Binary files /dev/null and b/assets/boss2/boss_fight_scene_1_wall.png differ
diff --git a/assets/bosses.json b/assets/bosses.json
index c6f8ff0..bdfe8ac 100644
--- a/assets/bosses.json
+++ b/assets/bosses.json
@@ -2,8 +2,8 @@
   "RAT_KING": {
     "components": [
       {"_type": "BossFight",
-        "background": "boss_fight_background",
-        "floor": "devils_fingers_background",
+        "background": "test_background",
+        "floor": false,
         "floor_pos": "floor1",
         "player": {
           "sprite": "peasant_girl_rear_view",
@@ -12,13 +12,13 @@
           "mid_cell": false
         },
         "boss":  {
-          "start_pos": "boss2",
-          "scale": 0.7,
+          "start_pos": "boss5",
+          "scale": 0.6,
           "mid_cell": true
         }
       },
       {"_type": "Combat", "hp": 20, "max_hp": 20, "damage": 20, "dead": false},
-      {"_type": "Sprite", "name": "rat_king_boss", "width": 720, "height": 720, "scale": 0.8, "stationary": false},
+      {"_type": "Sprite", "name": "rat_king_boss", "width": 720, "height": 720, "scale": 0.8, "stationary": true},
       {"_type": "Sound", "attack": "Marmot_Scream_1", "death": "Creature_Death_1"}
     ]
   }
diff --git a/assets/config.json b/assets/config.json
index 65e5afe..ac70ced 100644
--- a/assets/config.json
+++ b/assets/config.json
@@ -246,9 +246,9 @@
       "frame_height": 540
     },
     "test_background":
-    {"path": "assets/bossfights/test_background.png",
-      "frame_width": 1920,
-      "frame_height": 1080
+    {"path": "assets/boss2/boss_fight_scene_1_wall.png",
+      "frame_width": 1080,
+      "frame_height": 720
     },
     "test_boss":
     {"path": "assets/bossfights/test_boss.png",
@@ -256,9 +256,9 @@
       "frame_height": 832
     },
     "test_floor":
-    {"path": "assets/bossfights/test_floor.png",
-      "frame_width": 1920,
-      "frame_height": 1080
+    {"path": "assets/boss2/boss_fight_scene_1_floor.png",
+      "frame_width": 1080,
+      "frame_height": 720
     },
     "test_player":
     {"path": "assets/bossfights/test_player.png",
diff --git a/autowalker.cpp b/autowalker.cpp
index 5cb33e5..bcb4458 100644
--- a/autowalker.cpp
+++ b/autowalker.cpp
@@ -358,7 +358,6 @@ bool Autowalker::player_health_good() {
   auto player = GameDB::the_player();
   auto combat = world->get<components::Combat>(player);
   float health = float(combat.hp) / float(combat.max_hp);
-  fmt::println("!!!!!!!!!! HEALTH: {}", health);
   return health > 0.5f;
 }
 
diff --git a/boss/fight.cpp b/boss/fight.cpp
index 26c7047..9ca5743 100644
--- a/boss/fight.cpp
+++ b/boss/fight.cpp
@@ -105,7 +105,7 @@ namespace boss {
         break;
       case ATTACK: {
         $ui.status(L"BOSS TURN");
-        $ui.move_boss(run % 10 < 5 ? "boss1" : "boss2");
+        $ui.move_boss(run % 10 < 5 ? "boss5" : "boss6");
         $ui.$boss_anim.play();
         int attack_id = std::any_cast<int>(data);
         boss::System::combat(attack_id);
@@ -128,7 +128,7 @@ namespace boss {
   }
 
   void Fight::render(sf::RenderWindow& window) {
-    $ui.render(window);
     $ui.play_animations(window);
+    $ui.render(window);
   }
 }
diff --git a/boss/ui.cpp b/boss/ui.cpp
index 39f5f59..31567bb 100644
--- a/boss/ui.cpp
+++ b/boss/ui.cpp
@@ -31,7 +31,7 @@ namespace boss {
 
   void UI::init() {
     $arena.position(SCREEN_WIDTH-BOSS_VIEW_WIDTH,0, BOSS_VIEW_WIDTH, SCREEN_HEIGHT);
-    $arena.set<Background>($arena.MAIN, {$arena.$parser, THEME.DARK_MID});
+    $arena.set<Background>($arena.MAIN, {$arena.$parser, THEME.TRANSPARENT});
     auto& background = $arena.get<Background>($arena.MAIN);
     background.set_sprite($scene.background, true);
 
@@ -82,14 +82,16 @@ namespace boss {
   }
 
   void UI::render(sf::RenderWindow& window) {
+
     $actions.render(window);
     $combat_ui.render(window);
-    $arena.render(window);
 
     if($floor_sprite.sprite) {
       window.draw(*$floor_sprite.sprite);
     }
 
+    $arena.render(window);
+
     window.draw(*$boss_sprite.sprite);
     window.draw(*$player_sprite.sprite);
 
@@ -118,19 +120,25 @@ namespace boss {
   }
 
   void UI::play_animations(sf::RenderWindow& window) {
-    using namespace std::chrono_literals;
-    auto& sound = $world->get<components::Sound>($boss_id);
+    if($boss_anim.playing) {
+      using namespace std::chrono_literals;
+      auto& sound = $world->get<components::Sound>($boss_id);
 
-    while($boss_anim.playing) {
       animation::apply($boss_anim, *$boss_sprite.sprite, $boss_pos);
 
       if($boss_anim.current == 1 && !sound::playing(sound.attack)) {
         sound::play(sound.attack);
       }
 
+      // https://www.construct.net/en/blogs/ashleys-blog-2/using-lerp-delta-time-924
+
+      // frame start
       render(window);
       window.display();
-      std::this_thread::sleep_for(16ms);
+      // frame end
+      // deltaTime = end - start
+      // lerp(a, b, 1 - f ^ deltaTime)
+      // std::this_thread::sleep_for(16ms);
     }
   }
 }
diff --git a/scripts/build_assets.ps1 b/scripts/build_assets.ps1
index 8d18649..66d7009 100644
--- a/scripts/build_assets.ps1
+++ b/scripts/build_assets.ps1
@@ -29,10 +29,11 @@ function Build-Images {
 # Build-Images -Source "Sprites" -pixel_count 6
 # Build-Images -Source "Items" -pixel_count 2
 # Build-Images -Source "Animations" -pixel_count 6
-Build-Images -Source "Hands" -pixel_count 6
+# Build-Images -Source "Hands" -pixel_count 6
+Build-Images -Source "Boss2" -pixel_count 4
 
-magick montage -tile 3x1 -geometry +0+0 -background transparent .\assets\hands\female_hand_*.png .\assets\hands\female_hand.png
+#magick montage -tile 3x1 -geometry +0+0 -background transparent .\assets\hands\female_hand_*.png .\assets\hands\female_hand.png
 
-magick montage -tile 3x1 -geometry +0+0 -background transparent .\assets\hands\male_hand_*.png .\assets\hands\male_hand.png
+#magick montage -tile 3x1 -geometry +0+0 -background transparent .\assets\hands\male_hand_*.png .\assets\hands\male_hand.png
 
-cp -recurse -force C:\Users\lcthw\Pictures\Games\Renders\Raycaster\UI assets\ui
+#cp -recurse -force C:\Users\lcthw\Pictures\Games\Renders\Raycaster\UI assets\ui
diff --git a/tests/components.cpp b/tests/components.cpp
index ff8e43a..ae54016 100644
--- a/tests/components.cpp
+++ b/tests/components.cpp
@@ -38,7 +38,7 @@ TEST_CASE("make sure json_mods works", "[components]") {
     if(comp_data["_type"] == "BossFight") {
       auto comp = components::convert<components::BossFight>(comp_data);
       // the boss fight for the rat king doesn't have a stage so false=optional
-      REQUIRE(comp.floor != std::nullopt);
+      REQUIRE(comp.floor == std::nullopt);
     }
   }
 
@@ -51,5 +51,5 @@ TEST_CASE("make sure json_mods works", "[components]") {
   components::configure_entity(world, rat_king, config["RAT_KING"]["components"]);
 
   auto boss = world.get<BossFight>(rat_king);
-  REQUIRE(boss.floor != std::nullopt);
+  REQUIRE(boss.floor == std::nullopt);
 }