diff --git a/.gitignore b/.gitignore
index 7893b49..9b9f152 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@ build/gcov
 builld/logs 
 build/temp
 build/test
-.vscode
\ No newline at end of file
+.vscode
+#encounter_test.sh
\ No newline at end of file
diff --git a/encounter_test.sh b/encounter_test.sh
new file mode 100644
index 0000000..1a2253d
--- /dev/null
+++ b/encounter_test.sh
@@ -0,0 +1,8 @@
+#Small scirpt to run the tests and generate the coverage report
+#cleans artifacts before building
+date
+ceedling clean
+ceedling gcov:encounter
+ceedling utils:gcov
+cd build/artifacts/gcov
+xdg-open GcovCoverageResults.html &
diff --git a/project.yml b/project.yml
index b3f24b9..90eaf3c 100644
--- a/project.yml
+++ b/project.yml
@@ -101,4 +101,4 @@
     - xml_tests_report
     - gcov
 
-...
+... 
diff --git a/src/c/encounter.c b/src/c/encounter.c
new file mode 100644
index 0000000..5ea3027
--- /dev/null
+++ b/src/c/encounter.c
@@ -0,0 +1,171 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include "encounter.h"
+#include "playerinput.h"
+#include "helper.h"
+
+/*Gegner mit AC, damagedealt = damage-AC, kann nicht kleiner 1 sein
+evtl. lair bonus der dem gegner ein wenig mehr/weniger damage erlaubt
+gegner erhalten eine zufällige menge Gold, die beim tod an den spieler gegeben werden
+humanoide gegner haben heiltränke mit denen sie sich ggf heilen.
+heilung erfolgt dann, wenn bestimmte hp (50%) unterschritten wird. wird allerdings gewürfelt,
+je niedriger die hp%, desto höher die chance. */
+
+bool playerAlive(int health)
+{
+    if (health > 0)
+    {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+int playerHealth(int health, int damage, int armor)
+{
+    const int maxhealth = 100;
+    health = health - damage;
+    if (health > maxhealth)
+    {
+        health = maxhealth;
+    }
+    return health;
+}
+
+void enemyHeal(enemy *enemy, int healAmount)
+{
+    int currentHealth = getEnemyHealth(enemy);
+    int maxHealth = getEnemyMaxHealth(enemy);
+    if (currentHealth + healAmount > maxHealth)
+    {
+        healAmount = maxHealth - currentHealth;
+    }
+    setEnemyHealth(enemy, currentHealth + healAmount);
+}
+
+void enemyDamaged(enemy *enemy, int damage)
+{
+    int armor = getEnemyArmor(enemy);
+    int currentHealth = getEnemyHealth(enemy);
+    int damagedealt = damage - armor;
+    if (damagedealt < 1)
+    {
+        damagedealt = 1;
+    }
+    setEnemyHealth(enemy, currentHealth - damagedealt);
+}
+
+
+
+int switchTurns(int currentTurn)
+{
+    currentTurn = currentTurn % 2 + 1;
+    return currentTurn;
+}
+
+int fight(int playerH, int playerDamage, int playerArmor, int playerAttack, enemy* enemy)
+{
+    int currentTurn = 2;
+    char decision;
+    while (playerAlive(playerH) && getEnemyHealth(enemy) > 0)
+    {
+        if (currentTurn != 1)
+        {
+            decision = playerInputChar();
+            switch(decision){
+                case 'a':
+                    enemyDamaged(enemy, playerDamage);
+                    break;
+                case 'h':
+                    playerH = playerHealth(playerH, -10, playerArmor);
+                    break;
+                case 'f':
+                    return 2;
+            }
+            
+        }
+        else
+        {
+            if(enemyChoosesHeal(enemy))
+            {
+                enemyHeal(enemy, 10);
+            }
+            else
+            {
+                playerH = playerHealth(playerH, getEnemyDamage(enemy), playerArmor);
+            }
+        }
+        currentTurn = switchTurns(currentTurn);
+    }
+    if (playerAlive(playerH))
+    {
+        return 1;
+    }
+    else
+    {
+        return 0;
+    } 
+}
+
+int randomIntRange(int min, int max)
+{
+    int value = randomInt();
+    return (value % (max - min + 1)) + min;
+}
+
+
+int map(int x, int in_min, int in_max, int out_min, int out_max)
+{
+    //vgl Arduino map() https://www.arduino.cc/reference/en/language/functions/math/map/
+    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+
+bool enemyChoosesHeal(enemy* enemy)
+{
+    int currentHealth = getEnemyHealth(enemy);
+    int maxHealth = getEnemyMaxHealth(enemy);
+    int healthd20 = 20 - map(currentHealth, 0, maxHealth, 0, 20);
+    int rolld20 = randomIntRange(1, 20);
+    return (healthd20 + rolld20) >= 30;
+}
+
+// Getter/Setter Funktionen
+void setEnemyHealth(enemy* enemy, int newhealth)
+{
+    enemy->health = newhealth;
+}
+
+void setEnemyDamage(enemy* enemy, int newdamage)
+{
+    enemy->damage = newdamage;
+}
+
+void setEnemyArmor(enemy* enemy, int newarmor)
+{
+    enemy->armor = newarmor;
+}
+
+int getEnemyHealth(enemy* enemy)
+{
+    return enemy->health;
+}
+
+int getEnemyArmor(enemy* enemy)
+{
+    return enemy->armor;
+}
+
+int getEnemyDamage(enemy* enemy)
+{
+    return enemy->damage;
+}
+
+int getEnemyMaxHealth(enemy* enemy)
+{
+    return enemy->maxHealth;
+}
\ No newline at end of file
diff --git a/src/c/encounter.h b/src/c/encounter.h
new file mode 100644
index 0000000..312f35a
--- /dev/null
+++ b/src/c/encounter.h
@@ -0,0 +1,40 @@
+#ifndef ENCOUNTER_H
+#define ENCOUNTER_H
+
+#include <stdbool.h>
+
+typedef struct enemy{
+    int health;
+    int damage;
+    int armor;
+    int maxHealth;
+} enemy; 
+
+
+bool playerAlive(int health);
+int playerHealth(int health, int damage, int armor);
+void enemyHeal(enemy *enemy, int healAmount);
+void enemyDamaged(enemy* enemy, int damage);
+bool enemyChoosesHeal(enemy* enemy);
+int switchTurns(int currentTurn);
+int fight(int playerH, int playerDamage, int playerArmor, int playerAttack, enemy* enemy);
+
+//Funktionen die Mathematische Berechnungen durchführen
+int map(int x, int in_min, int in_max, int out_min, int out_max);
+int randomIntRange(int min, int max);
+//Getter/Setter Funktionen
+
+//setEnemyHealth(&enemy, health);
+void setEnemyHealth(enemy* enemy, int newhealth);
+
+//setEnemyDamage(&enemy.damage, damage);
+void setEnemyDamage(enemy* enemy, int newdamage);
+//setEnemyArmor(&enemy.armor, armor);
+void setEnemyArmor(enemy* enemy, int newarmor);
+//Function to get the value of Data in a struct, needs a pointer to the struct
+int getEnemyMaxHealth(enemy* enemy);
+int getEnemyHealth(enemy* enemy);
+int getEnemyArmor(enemy* enemy);
+int getEnemyDamage(enemy* enemy);
+
+#endif
\ No newline at end of file
diff --git a/src/c/helper.c b/src/c/helper.c
new file mode 100644
index 0000000..7b3381d
--- /dev/null
+++ b/src/c/helper.c
@@ -0,0 +1,6 @@
+#include "helper.h"
+
+int randomInt()
+{
+    return rand();
+}
\ No newline at end of file
diff --git a/src/c/helper.h b/src/c/helper.h
new file mode 100644
index 0000000..c1a5799
--- /dev/null
+++ b/src/c/helper.h
@@ -0,0 +1,8 @@
+#ifndef HELPER_H
+#define HELPER_H
+//erlaubt es z.b. rand() zu mocken
+
+int randomInt();
+
+
+#endif
\ No newline at end of file
diff --git a/src/c/playerinput.c b/src/c/playerinput.c
new file mode 100644
index 0000000..478d563
--- /dev/null
+++ b/src/c/playerinput.c
@@ -0,0 +1,6 @@
+#include "playerinput.h"
+
+char playerInputChar(){
+    char c;
+    return c;
+}
\ No newline at end of file
diff --git a/src/c/playerinput.h b/src/c/playerinput.h
new file mode 100644
index 0000000..d6d6ffa
--- /dev/null
+++ b/src/c/playerinput.h
@@ -0,0 +1,6 @@
+#ifndef PLAYERINPUT_H
+#define PLAYERINPUT_H
+
+char playerInputChar();
+
+#endif
\ No newline at end of file
diff --git a/test/c/test_encounter.c b/test/c/test_encounter.c
new file mode 100644
index 0000000..0f07a36
--- /dev/null
+++ b/test/c/test_encounter.c
@@ -0,0 +1,375 @@
+#ifdef TEST
+#include "unity.h"
+
+#include "encounter.h"
+#include "playerinput.h"
+#include "mock_playerinput.h"
+#include "helper.h"
+#include "mock_helper.h"
+
+void setUp(void)
+{
+}
+
+void teardown(void)
+{
+}
+
+void test_isPlayerAlive_healthGreaterZero(void)
+{
+    // arrange
+    int health = 100;
+    bool result;
+    // act
+    result = playerAlive(health);
+    // assert
+    TEST_ASSERT_TRUE(result);
+}
+
+void test_isPlayerAlive_healthLowerZero(void)
+{
+    // arrange
+    int health = -1;
+    bool result;
+    // act
+    result = playerAlive(health);
+
+    // assert
+    TEST_ASSERT_FALSE(result);
+}
+
+void test_playerIsDamaged(void)
+{
+    // arrange
+    int health = 100;
+    int damage = 10;
+    int armor = 0;
+    int expectedHealth = 90;
+    // act
+    health = playerHealth(health, damage, armor);
+    // assert
+    TEST_ASSERT_EQUAL(expectedHealth, health);
+}
+
+void test_playerIsNotOverhealed(void)
+{
+    // arrange
+    int health = 100;
+    int armor = 0;
+    int heal = -10;
+    int expectedHealth = 100;
+    // act
+    health = playerHealth(health, heal, armor);
+    // assert
+    TEST_ASSERT_EQUAL(expectedHealth, health);
+}
+
+void test_setEnemyHealth(void)
+{
+    // arrange
+    int health = 50, result;
+    // act
+    enemy test = {health * 2};
+    setEnemyHealth(&test, health);
+    result = test.health;
+    // assert
+    TEST_ASSERT_EQUAL(health, result);
+}
+
+void test_getEnemyHealth(void)
+{
+    // arrange
+    int health = 50, result;
+    // act
+    enemy test = {health};
+    result = getEnemyHealth(&test);
+    // assert
+    TEST_ASSERT_EQUAL(health, result);
+}
+
+void test_setEnemyDamage(void)
+{
+    // arrange
+    int damage = 4, result;
+    enemy test = {50, damage * 2};
+    // act
+    setEnemyDamage(&test, damage);
+    result = test.damage;
+    // assert
+    TEST_ASSERT_EQUAL(damage, result);
+}
+
+void test_getEnemyDamage(void)
+{
+    // arrange
+    int damage = 4, result;
+    // act
+    enemy test = {50, damage};
+    result = getEnemyDamage(&test);
+    // assert
+    TEST_ASSERT_EQUAL(damage, result);
+}
+
+void test_get_setEnemyArmor(void)
+{
+    // arrange
+    int armor = 4, result;
+    enemy test = {50, 4, armor * 2};
+    // act
+    setEnemyArmor(&test, armor);
+    result = getEnemyArmor(&test);
+    // assert
+    TEST_ASSERT_EQUAL(armor, result);
+}
+
+void test_PlayerAttacksEnemy_DoesDamage(void)
+{
+    // arrange
+    int playerDamage = 10;
+    int enemyHealth = 50;
+    int enemyArmor = 4;
+    // health - (damage - armor)
+    int expectedEnemyHealth = 44;
+    // act
+    enemy test = {enemyHealth, 4, enemyArmor};
+    enemyDamaged(&test, playerDamage);
+    // assert
+    TEST_ASSERT_EQUAL(expectedEnemyHealth, test.health);
+}
+
+void test_PlayerAttacksEnemy_DoesMinDamage(void)
+{
+    // arrange
+    int playerDamage = 10;
+    int enemyHealth = 50;
+    int enemyArmor = 10;
+    // health - (damage - armor)
+    int expectedEnemyHealth = 49;
+    // act
+    enemy test = {enemyHealth, 4, enemyArmor};
+    enemyDamaged(&test, playerDamage);
+    // assert
+    TEST_ASSERT_EQUAL(expectedEnemyHealth, test.health);
+}
+
+// A better way to get the value of a struct, REFACTORING if it works
+void test_getterWithParams(void)
+{
+    // arrange
+    int health = 50, armor = 4, damage = 4, maxHealth = 5;
+    int healthResult, armorResult, damageResult, maxHealthResult;
+    enemy test = {health, damage, armor, maxHealth};
+    // act
+    healthResult = getEnemyHealth(&test);
+    armorResult = getEnemyArmor(&test);
+    damageResult = getEnemyDamage(&test);
+    maxHealthResult = getEnemyMaxHealth(&test);
+    // assert
+    TEST_ASSERT_EQUAL(health, healthResult);
+    TEST_ASSERT_EQUAL(armor, armorResult);
+    TEST_ASSERT_EQUAL(damage, damageResult);
+    TEST_ASSERT_EQUAL(maxHealth, maxHealthResult);
+}
+void test_switchingTurns(void)
+{
+    // arrange
+    int currentTurn = 0, result;
+    // act
+    result = switchTurns(currentTurn);
+    // assert
+    TEST_ASSERT_EQUAL(1, result);
+}
+
+void test_FightPlayerWins(void)
+{
+    // arange
+    int playerHealth = 100, playerDamage = 10, playerArmor = 4, playerAttack = 5;
+    int enemyHealth = 1, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 5;
+    int result;
+    // aCt
+    playerInputChar_ExpectAndReturn('a');
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    result = fight(playerHealth, playerDamage, playerArmor, playerAttack, &test);
+    // assert
+    TEST_ASSERT_EQUAL(1, result);
+}
+
+void test_FightEnemyWins(void)
+{
+    // arange
+    int playerHealth = 1, playerDamage = 10, playerArmor = 4, playerAttack = 5;
+    int enemyHealth = 100, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 100;
+    int result;
+    // act
+    playerInputChar_ExpectAndReturn('a');
+    randomInt_ExpectAndReturn(1);
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    result = fight(playerHealth, playerDamage, playerArmor, playerAttack, &test);
+    // assert
+    TEST_ASSERT_EQUAL(0, result);
+}
+
+void test_FightPlayerChoosesAttack(void)
+{
+    // arrange
+    int playerHealth = 100, playerDamage = 10, playerArmor = 4, playerAttack = 5;
+    int enemyHealth = 6, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 100;
+    int result;
+    // act
+    playerInputChar_ExpectAndReturn('a');
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    fight(playerHealth, playerDamage, playerArmor, playerAttack, &test);
+    result = getEnemyHealth(&test);
+    // assert
+    TEST_ASSERT_EQUAL(0, result);
+}
+
+void test_FightPlayerHeals_thenAttacks_Wins(void)
+{
+    // arrange
+    int playerHealth = 2, playerDamage = 10, playerArmor = 4, playerAttack = 10;
+    int enemyHealth = 11, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 100;
+    int result;
+    // act
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    playerInputChar_ExpectAndReturn('h');
+    randomInt_ExpectAndReturn(1);
+    playerInputChar_ExpectAndReturn('a');
+    randomInt_ExpectAndReturn(1);
+    playerInputChar_ExpectAndReturn('a');
+    result = fight(playerHealth, playerDamage, playerArmor, playerAttack, &test);
+    // assert
+    TEST_ASSERT_EQUAL(1, result);
+}
+
+void test_FightPlayerFlees(void)
+{
+    // arrange
+    int playerHealth = 10, playerDamage = 10, playerArmor = 4, playerAttack = 10;
+    int enemyHealth = 11, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 100;
+    int result;
+    // act
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    playerInputChar_ExpectAndReturn('f');
+    result = fight(playerHealth, playerDamage, playerArmor, playerAttack, &test);
+    // assert
+    TEST_ASSERT_EQUAL(2, result);
+}
+
+void test_randomIntRange(void)
+{
+    int expected = 4;
+    randomInt_ExpectAndReturn(15);
+    int result = randomIntRange(1, 6);
+    TEST_ASSERT_EQUAL_INT(expected, result);
+}
+
+void test_enemyCanHeal(void)
+{
+    // arrange
+    int enemyHealth = 1, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 20;
+    int healAmount = 10, expectedHealth = 11;
+    int result;
+    // act
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    enemyHeal(&test, healAmount);
+    result = getEnemyHealth(&test);
+    // assert
+    TEST_ASSERT_EQUAL(expectedHealth, result);
+}
+
+void test_enemyNoOverheal(void)
+{
+    // arrange
+    int enemyHealth = 1, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 5;
+    int healAmount = 10, expectedHealth = 5;
+    int result;
+    // act
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    enemyHeal(&test, healAmount);
+    result = getEnemyHealth(&test);
+    // assert
+    TEST_ASSERT_EQUAL(expectedHealth, result);
+}
+
+void test_roll_20()
+{
+    int expected = 20;
+    int result;
+
+    randomInt_ExpectAndReturn(39);
+    result = randomIntRange(1, 20);
+
+    TEST_ASSERT_EQUAL(expected, result);
+}
+
+void test_roll_01()
+{
+    int expected = 1;
+    int result;
+
+    randomInt_ExpectAndReturn(40);
+    result = randomIntRange(1, 20);
+
+    TEST_ASSERT_EQUAL(expected, result);
+}
+
+void test_map10(){
+    int expected1 = 10, expected2 = 0, expected3 = 20;
+    int result;
+    
+    result = map(50, 0, 100, 0, 20);
+    TEST_ASSERT_EQUAL(expected1, result);
+    result = map(0, 0, 100, 0, 20);
+    TEST_ASSERT_EQUAL(expected2, result);
+    result = map(100, 0, 100, 0, 20);
+    TEST_ASSERT_EQUAL(expected3, result);
+}
+
+void test_enemyChoosesHeal(void)
+{
+    //arange
+    bool result;
+    int enemyHealth = 50, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 100;
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    //act
+    randomInt_ExpectAndReturn(39); //39%20 = 19 , 19 + 1 = 20
+    result = enemyChoosesHeal(&test);
+    //assert
+    TEST_ASSERT_TRUE(result);
+
+}
+
+void test_enemyDoesNotChoosesHeal(void)
+{
+    //arange
+    bool result;
+    int enemyHealth = 50, enemyDamage = 4, enemyArmor = 4, enemyMaxHealth = 100;
+    enemy test = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    //act
+    randomInt_ExpectAndReturn(14); //14%20 = 14 , 14 + 1 = 15
+    result = enemyChoosesHeal(&test);
+    //assert
+    TEST_ASSERT_FALSE(result);
+
+}
+
+void test_enemyChoosesHeal_ThenAttackWins(void)
+{
+    //arange
+    int result;
+    int enemyHealth = 6, enemyDamage = 10, enemyArmor = 5, enemyMaxHealth = 100;
+    int playerHealth = 10, playerDamage = 10, playerArmor = 5, playerAttack = 10;
+    enemy test2 = {enemyHealth, enemyDamage, enemyArmor, enemyMaxHealth};
+    //act
+    playerInputChar_ExpectAndReturn('a');
+    randomInt_ExpectAndReturn(39); //39%20 = 19 , 19 + 1 = 20
+    playerInputChar_ExpectAndReturn('a');
+    randomInt_ExpectAndReturn(0); //0%20 = 0 , 0 + 1 = 1
+    result = fight(playerHealth, playerDamage, playerArmor, playerAttack, &test2);
+    //assert
+    TEST_ASSERT_EQUAL(0, result);
+
+}
+
+#endif // TEST
diff --git a/test/c/test_helper.c b/test/c/test_helper.c
new file mode 100644
index 0000000..732f30c
--- /dev/null
+++ b/test/c/test_helper.c
@@ -0,0 +1,23 @@
+#ifdef TEST
+#include "unity.h"
+#include "helper.h"
+#include "mock_helper.h"
+
+void setUp(void)
+{
+}
+
+void teardown(void)
+{
+}
+
+//Just to test the mock
+void test_randomInt(void)
+{
+    int expected = 42;
+    randomInt_ExpectAndReturn(expected);
+    TEST_ASSERT_EQUAL_INT(expected, randomInt());
+}
+
+
+#endif//Test
\ No newline at end of file