diff --git a/backend/migrations/versions/231e5697b63e_.py b/backend/migrations/versions/231e5697b63e_.py
new file mode 100644
index 0000000..3a062db
--- /dev/null
+++ b/backend/migrations/versions/231e5697b63e_.py
@@ -0,0 +1,128 @@
+"""empty message
+
+Revision ID: 231e5697b63e
+Revises: 57b47e18fdab
+Create Date: 2022-11-19 21:56:35.469495
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision = '231e5697b63e'
+down_revision = '57b47e18fdab'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('character_classes', schema=None) as batch_op:
+        batch_op.alter_column('endurance_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+        batch_op.alter_column('strength_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+        batch_op.alter_column('agility_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+        batch_op.alter_column('defence_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+        batch_op.alter_column('wisdom_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+
+    with op.batch_alter_table('character_races', schema=None) as batch_op:
+        batch_op.alter_column('endurance_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+        batch_op.alter_column('strength_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+        batch_op.alter_column('agility_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+        batch_op.alter_column('defence_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+        batch_op.alter_column('wisdom_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=False)
+
+    with op.batch_alter_table('characters', schema=None) as batch_op:
+        batch_op.alter_column('endurance_base',
+               existing_type=mysql.INTEGER(),
+               nullable=False)
+        batch_op.alter_column('strength_base',
+               existing_type=mysql.INTEGER(),
+               nullable=False)
+        batch_op.alter_column('agility_base',
+               existing_type=mysql.INTEGER(),
+               nullable=False)
+        batch_op.alter_column('defence_base',
+               existing_type=mysql.INTEGER(),
+               nullable=False)
+        batch_op.alter_column('wisdom_base',
+               existing_type=mysql.INTEGER(),
+               nullable=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('characters', schema=None) as batch_op:
+        batch_op.alter_column('wisdom_base',
+               existing_type=mysql.INTEGER(),
+               nullable=True)
+        batch_op.alter_column('defence_base',
+               existing_type=mysql.INTEGER(),
+               nullable=True)
+        batch_op.alter_column('agility_base',
+               existing_type=mysql.INTEGER(),
+               nullable=True)
+        batch_op.alter_column('strength_base',
+               existing_type=mysql.INTEGER(),
+               nullable=True)
+        batch_op.alter_column('endurance_base',
+               existing_type=mysql.INTEGER(),
+               nullable=True)
+
+    with op.batch_alter_table('character_races', schema=None) as batch_op:
+        batch_op.alter_column('wisdom_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+        batch_op.alter_column('defence_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+        batch_op.alter_column('agility_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+        batch_op.alter_column('strength_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+        batch_op.alter_column('endurance_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+
+    with op.batch_alter_table('character_classes', schema=None) as batch_op:
+        batch_op.alter_column('wisdom_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+        batch_op.alter_column('defence_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+        batch_op.alter_column('agility_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+        batch_op.alter_column('strength_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+        batch_op.alter_column('endurance_koef',
+               existing_type=mysql.FLOAT(),
+               nullable=True)
+
+    # ### end Alembic commands ###
diff --git a/backend/textsouls/models.py b/backend/textsouls/models.py
index 8c07f39..14a5541 100644
--- a/backend/textsouls/models.py
+++ b/backend/textsouls/models.py
@@ -36,11 +36,11 @@ class CharacterRace(db.Model, SerializerMixin):
     id = db.Column(db.Integer, primary_key=True)
     name = db.Column(db.String(255), nullable=True, unique=True)
     characters = db.relationship("Character", backref="race", lazy="dynamic")
-    endurance_koef = db.Column(db.Float(), nullable=True, unique=False)
-    strength_koef = db.Column(db.Float(), nullable=True, unique=False)
-    agility_koef = db.Column(db.Float(), nullable=True, unique=False)
-    defence_koef = db.Column(db.Float(), nullable=True, unique=False)
-    wisdom_koef = db.Column(db.Float(), nullable=True, unique=False)
+    endurance_koef = db.Column(db.Float(), nullable=False, unique=False)
+    strength_koef = db.Column(db.Float(), nullable=False, unique=False)
+    agility_koef = db.Column(db.Float(), nullable=False, unique=False)
+    defence_koef = db.Column(db.Float(), nullable=False, unique=False)
+    wisdom_koef = db.Column(db.Float(), nullable=False, unique=False)
 
     def __str__(self):
         return self.name
@@ -55,11 +55,11 @@ class CharacterClass(db.Model, SerializerMixin):
     id = db.Column(db.Integer, primary_key=True)
     name = db.Column(db.String(255), nullable=True, unique=True)
     characters = db.relationship("Character", backref="class", lazy="dynamic")
-    endurance_koef = db.Column(db.Float(), nullable=True, unique=False)
-    strength_koef = db.Column(db.Float(), nullable=True, unique=False)
-    agility_koef = db.Column(db.Float(), nullable=True, unique=False)
-    defence_koef = db.Column(db.Float(), nullable=True, unique=False)
-    wisdom_koef = db.Column(db.Float(), nullable=True, unique=False)
+    endurance_koef = db.Column(db.Float(), nullable=False, unique=False)
+    strength_koef = db.Column(db.Float(), nullable=False, unique=False)
+    agility_koef = db.Column(db.Float(), nullable=False, unique=False)
+    defence_koef = db.Column(db.Float(), nullable=False, unique=False)
+    wisdom_koef = db.Column(db.Float(), nullable=False, unique=False)
 
     def __str__(self):
         return self.name
@@ -90,36 +90,60 @@ class Character(db.Model, SerializerMixin):
     created_on = db.Column(
         db.DateTime, nullable=False, default=datetime.datetime.now()
     )
+    endurance_base = db.Column(db.Integer(), nullable=False, unique=False)
+    strength_base = db.Column(db.Integer(), nullable=False, unique=False)
+    agility_base = db.Column(db.Integer(), nullable=False, unique=False)
+    defence_base = db.Column(db.Integer(), nullable=False, unique=False)
+    wisdom_base = db.Column(db.Integer(), nullable=False, unique=False)
 
-    endurance_base = db.Column(db.Integer(), nullable=True, unique=False)
-    strength_base = db.Column(db.Integer(), nullable=True, unique=False)
-    agility_base = db.Column(db.Integer(), nullable=True, unique=False)
-    defence_base = db.Column(db.Integer(), nullable=True, unique=False)
-    wisdom_base = db.Column(db.Integer(), nullable=True, unique=False)
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+        char_race = CharacterRace.query.get(self.character_race)
+        char_class = CharacterClass.query.get(self.character_class)
+
+        self.endurance_base = (
+            100 * char_race.endurance_koef * char_class.endurance_koef
+        )
+        self.strength_base = (
+            100 * char_race.strength_koef * char_class.strength_koef
+        )
+        self.agility_base = (
+            100 * char_race.agility_koef * char_class.agility_koef
+        )
+        self.defence_base = (
+            100 * char_race.defence_koef * char_class.defence_koef
+        )
+        self.wisdom_base = 100 * char_race.wisdom_koef * char_class.wisdom_koef
 
     def __str__(self):
         return self.name
 
     @property
-    def attack_power(self):
-        return (
+    def battle_stats(self):
+        char_race = CharacterRace.query.get(self.character_race)
+        char_class = CharacterClass.query.get(self.character_class)
+
+        attack_power = (
             self.strength_base
-            * self.character_race.strength_koef
-            * self.character_class.strength_koef
+            * char_race.strength_koef
+            * char_class.strength_koef
         )
 
-    @property
-    def defence_chance(self):
-        return (
+        defence_chance = (
             self.defence_base
-            * self.character_race.defence_koef
-            * self.character_class.defence_koef
+            * char_race.defence_koef
+            * char_class.defence_koef
         )
 
-    @property
-    def saving_chance(self):
-        return (
+        dodge_chance = (
             self.agility_base
-            * self.character_race.agility_koef
-            * self.character_class.agility_koef
+            * char_race.agility_koef
+            * char_class.agility_koef
         )
+
+        return {
+            "attack_power": attack_power,
+            "defence_chance": defence_chance,
+            "dodge_chance": dodge_chance,
+        }