diff --git a/logic/game.py b/logic/game.py
index e5aaa69..ec40e2f 100644
--- a/logic/game.py
+++ b/logic/game.py
@@ -58,8 +58,6 @@ class Game:
                         running = False
                     if event.key == pygame.K_n:
                         print_numbers_flag = not print_numbers_flag
-                    if event.key == pygame.K_b:
-                        stats.blue_team_hp_bar.take_dmg()
                     if event.key == pygame.K_r:
                         stats.red_team_hp_bar.take_dmg(5)
                 if event.type == NEXT_TURN:  # is called every 'TURN_INTERVAL' milliseconds
diff --git a/logic/health_bar.py b/logic/health_bar.py
index 65dc24f..fbf86fc 100644
--- a/logic/health_bar.py
+++ b/logic/health_bar.py
@@ -4,31 +4,41 @@ from common.colors import FONT_DARK, ORANGE, WHITE, RED, GREEN, BLACK
 
 
 class HealthBar:
-    def __init__(self, screen, rect, current_hp, max_hp, x=None, y=None, width=None, height=None):
+    def __init__(self, screen, rect: pygame.rect, current_hp, max_hp, calculate_xy=False, calculate_size=False):
+        self.health_ratio = None
         self.rect = rect
         self.screen = screen
         self.current_hp = current_hp
         self.target_hp = current_hp
         self.max_hp = max_hp
-        self.width = width
-        self.height = height
-        self.x = x
-        self.y = y
-
-        if self.width is None:
-            self.width = int(GRID_CELL_SIZE * 0.9)
-        if self.height is None:
-            self.height = int(GRID_CELL_SIZE * 0.05)
-
-        self.health_ratio = self.max_hp/self.width
-
-        if self.x is None:
-            self.x = int(GRID_CELL_SIZE * 0.1) + self.rect.x
-        if self.y is None:
-            self.y = int(GRID_CELL_SIZE/2) + self.rect.y
+        self.width = self.rect.width
+        self.height = self.rect.height
+        self.x = self.rect.x
+        self.y = self.rect.y
+        self.calculate_xy = calculate_xy
+        self.calculate_size = calculate_size
+        self.update_stats()
 
     def update(self):
         self.show()
+        self.update_stats()
+
+    def update_stats(self):
+        if self.calculate_size:
+            self.width = int(GRID_CELL_SIZE * 0.9)
+            self.height = int(GRID_CELL_SIZE * 0.05)
+        else:
+            self.x = self.rect.x
+            self.y = self.rect.y
+
+        if self.calculate_xy:
+            self.x = int(GRID_CELL_SIZE * 0.1) + self.rect.x
+            self.y = int(GRID_CELL_SIZE/2) + self.rect.y
+        else:
+            self.width = self.rect.width
+            self.height = self.rect.height
+
+        self.health_ratio = self.max_hp / self.width
 
     def take_dmg(self, dmg_taken):
         if self.target_hp > 0:
@@ -50,5 +60,3 @@ class HealthBar:
 
 
 
-
-
diff --git a/logic/level.py b/logic/level.py
index 17db1f0..4aba1a0 100644
--- a/logic/level.py
+++ b/logic/level.py
@@ -83,11 +83,11 @@ class Level:
 
                 # add objects, e.g. knights, monsters, castle
                 if col == "k_b":
-                    knight = Knight((col_index, row_index), self.sprites, "blue")
+                    knight = Knight(self.screen, (col_index, row_index), self.sprites, "blue")
                     self.map[row_index][col_index] = knight
                     self.list_knights_blue.append(knight)
                 elif col == "k_r":
-                    knight = Knight((col_index, row_index), self.sprites, "red")
+                    knight = Knight(self.screen, (col_index, row_index), self.sprites, "red")
                     self.map[row_index][col_index] = knight
                     self.list_knights_red.append(knight)
                 elif col == "m":
diff --git a/models/knight.py b/models/knight.py
index f9bac44..85c166c 100644
--- a/models/knight.py
+++ b/models/knight.py
@@ -3,6 +3,7 @@ import random
 
 from common.constants import GRID_CELL_SIZE, Direction
 from common.helpers import parse_cord
+from logic.health_bar import HealthBar
 
 
 def load_knight_textures():
@@ -18,7 +19,7 @@ def load_knight_textures():
 
 class Knight(pygame.sprite.Sprite):
 
-    def __init__(self, position, group, team):
+    def __init__(self, screen, position, group, team):
         super().__init__(group)
 
         self.direction = Direction.DOWN
@@ -34,6 +35,8 @@ class Knight(pygame.sprite.Sprite):
         self.attack = random.randint(4, 7)
         self.defense = random.randint(1, 4)
         self.points = 1
+        self.health_bar = HealthBar(screen, self.rect, self.health, self.health)
+        self.health_bar.update()
 
     def rotate_left(self):
         self.direction = self.direction.left()
diff --git a/ui/stats.py b/ui/stats.py
index f35cfd0..c5aacde 100644
--- a/ui/stats.py
+++ b/ui/stats.py
@@ -13,8 +13,8 @@ class Stats:
         self.screen = screen
         self.x = (GRID_CELL_PADDING + GRID_CELL_SIZE) * COLUMNS + BORDER_WIDTH + 15
         self.y = 5
-        self.blue_team_hp_bar = HealthBar(self.screen, (0, 0), 50, 100, self.x + 30, self.y + 210, 100, 15)
-        self.red_team_hp_bar = HealthBar(self.screen, (0, 0), 50, 100, self.x + 210, self.y + 210, 100, 15)
+        self.blue_team_hp_bar = HealthBar(self.screen, pygame.Rect(self.x + 30, self.y + 210, 100, 15), current_hp=50, max_hp=100)
+        self.red_team_hp_bar = HealthBar(self.screen, pygame.Rect(self.x + 210, self.y + 210, 100, 15), 50, 100)
 
     def draw(self):