diff --git a/backend/api/api_test.go b/backend/api/api_test.go
index e24cd30..bea3dbc 100644
--- a/backend/api/api_test.go
+++ b/backend/api/api_test.go
@@ -4,7 +4,6 @@ import (
 	"bamort/character"
 	"bamort/database"
 	"bamort/gsmaster"
-	"bamort/importer"
 	_ "bamort/maintenance" // Anonymous import to ensure init() is called
 	"bamort/models"
 	"bamort/router"
@@ -57,7 +56,7 @@ func TestSetupCheck(t *testing.T) {
 	assert.NoError(t, err, "No error expected when migrating gsmaster tables")
 	err = user.MigrateStructure()
 	assert.NoError(t, err, "No error expected when migrating user tables")
-	err = importer.MigrateStructure()
+	//err = importer.MigrateStructure()
 	assert.NoError(t, err, "No error expected when migrating importer tables")
 }
 
@@ -307,3 +306,113 @@ func TestGetSkillAllLevelCosts(t *testing.T) {
 	err = json.Unmarshal(respRecorder.Body.Bytes(), &response)
 	assert.NoError(t, err, "Response should be valid JSON for weapon skill")
 }
+
+func TestGetAvailableSkillsNew(t *testing.T) {
+	database.SetupTestDB(true) // Setup test database
+	// Initialize a Gin router
+	r := gin.Default()
+	router.SetupGin(r)
+
+	// Routes
+	protected := router.BaseRouterGrp(r)
+	character.RegisterRoutes(protected)
+	gsmaster.RegisterRoutes(protected)
+	protected.GET("/test", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"status": "Test OK"})
+	})
+
+	u := user.User{}
+	u.First("testuser")
+
+	// Create request body for available skills
+	skillRequest := gsmaster.LernCostRequest{
+		CharId:       20,
+		Name:         "Schwimmen", // Use a valid skill name for validation
+		CurrentLevel: 0,
+		Type:         "skill",
+		Action:       "learn",
+		TargetLevel:  1,
+		UsePP:        0,
+		UseGold:      0,
+		Reward:       &[]string{"default"}[0],
+	}
+	jsonData, _ := json.Marshal(skillRequest)
+
+	// Create a test HTTP request
+	req, _ := http.NewRequest("POST", "/api/characters/available-skills-new", bytes.NewBuffer(jsonData))
+	req.Header.Set("Content-Type", "application/json")
+	token := user.GenerateToken(&u)
+	req.Header.Set("Authorization", "Bearer "+token)
+
+	// Create a response recorder to capture the handler's response
+	respRecorder := httptest.NewRecorder()
+
+	// Perform the test request
+	r.ServeHTTP(respRecorder, req)
+
+	// Assert the response status code
+	assert.Equal(t, http.StatusOK, respRecorder.Code)
+
+	// Parse the response to verify it contains skills by category
+	var response map[string]interface{}
+	err := json.Unmarshal(respRecorder.Body.Bytes(), &response)
+	assert.NoError(t, err, "Response should be valid JSON")
+
+	// Check that the response contains skills_by_category
+	skillsByCategory, exists := response["skills_by_category"]
+	assert.True(t, exists, "Response should contain skills_by_category")
+	assert.NotNil(t, skillsByCategory, "skills_by_category should not be nil")
+
+	// Convert to map for easier access
+	skillsMap, ok := skillsByCategory.(map[string]interface{})
+	assert.True(t, ok, "skills_by_category should be a map")
+	assert.Greater(t, len(skillsMap), 0, "Should return at least one category of skills")
+
+	// Check that "Bogenbau" is not in the available skills (assuming it's already learned)
+	foundBogenbau := false
+	for _, categorySkillsInterface := range skillsMap {
+		categorySkills, ok := categorySkillsInterface.([]interface{})
+		if !ok {
+			continue
+		}
+
+		for _, skillInterface := range categorySkills {
+			skill, ok := skillInterface.(map[string]interface{})
+			if !ok {
+				continue
+			}
+
+			skillName, exists := skill["name"]
+			if exists && skillName == "Bogenbau" {
+				foundBogenbau = true
+				break
+			}
+		}
+
+		if foundBogenbau {
+			break
+		}
+	}
+
+	assert.False(t, foundBogenbau, "Bogenbau should not be in available skills (already learned)")
+
+	// Verify that each skill has the expected structure
+	for categoryName, categorySkillsInterface := range skillsMap {
+		categorySkills, ok := categorySkillsInterface.([]interface{})
+		assert.True(t, ok, "Category %s should contain an array of skills", categoryName)
+
+		for _, skillInterface := range categorySkills {
+			skill, ok := skillInterface.(map[string]interface{})
+			assert.True(t, ok, "Each skill should be a map")
+
+			// Check required fields
+			_, hasName := skill["name"]
+			_, hasEpCost := skill["epCost"]
+			_, hasGoldCost := skill["goldCost"]
+
+			assert.True(t, hasName, "Skill should have name field")
+			assert.True(t, hasEpCost, "Skill should have epCost field")
+			assert.True(t, hasGoldCost, "Skill should have goldCost field")
+		}
+	}
+}
diff --git a/backend/character/handlers.go b/backend/character/handlers.go
index 0fe1de4..d88df2c 100644
--- a/backend/character/handlers.go
+++ b/backend/character/handlers.go
@@ -1388,10 +1388,20 @@ func GetAvailableSkillsNewSystem(c *gin.Context) {
 
 		remainingPP := request.UsePP
 		remainingGold := request.UseGold
-		spellInfo := &models.SkillLearningInfo{}
+		
+		// Hole die vollständigen Skill-Informationen für die Kostenberechnung
+		skillLearningInfo, err := models.GetSkillCategoryAndDifficulty(skill.Name, getCharacterClass(&character))
+		if err != nil {
+			// Fallback für unbekannte Skills
+			skillLearningInfo = &models.SkillLearningInfo{
+				SkillName:    skill.Name,
+				CategoryName: skill.Category,
+				LearnCost:    50, // Standard-Lernkosten
+			}
+		}
 
 		// Berechne Lernkosten mit calculateSkillLearnCostNewSystem
-		err := calculateSkillLearnCostNewSystem(&request, &levelResult, &remainingPP, &remainingGold, spellInfo)
+		err = calculateSkillLearnCostNewSystem(&request, &levelResult, &remainingPP, &remainingGold, skillLearningInfo)
 		epCost := 10000   // Fallback-Wert
 		goldCost := 50000 // Fallback-Wert
 		if err == nil {
diff --git a/backend/character/lerncost_comparison_test.go b/backend/character/lerncost_comparison_test.go
index 317f86a..a8c370e 100644
--- a/backend/character/lerncost_comparison_test.go
+++ b/backend/character/lerncost_comparison_test.go
@@ -223,6 +223,20 @@ func TestCompareOldVsNewLearningCostSystems(t *testing.T) {
 			TargetLevel:  0, // Calculate all levels
 			Reward:       &[]string{"default"}[0],
 		},
+		// learn Naturkunde Test 2 PP
+		{
+			name:         "learn non existent Bogenbau Test Basic",
+			charId:       20,
+			skillName:    "Bogenbau",
+			currentLevel: 0,
+			usePP:        0,
+			useGold:      0,
+			description:  "Comparison Learn Bogenbau",
+			Type:         "skill",
+			Action:       "learn",
+			TargetLevel:  0, // Calculate all levels
+			Reward:       &[]string{"default"}[0],
+		},
 	}
 
 	for _, tc := range testCases {
diff --git a/backend/gsmaster/lernkosten_maps.go b/backend/gsmaster/lernkosten_maps.go
index ad0c833..5fc5fcf 100644
--- a/backend/gsmaster/lernkosten_maps.go
+++ b/backend/gsmaster/lernkosten_maps.go
@@ -7,7 +7,7 @@ import (
 
 type LernCostRequest struct {
 	CharId       uint   `json:"char_id" binding:"required"`                       // Charakter-ID
-	Name         string `json:"name" binding:"required"`                          // Name der Fertigkeit / des Zaubers
+	Name         string `json:"name" binding:"omitempty"`                         // Name der Fertigkeit / des Zaubers
 	CurrentLevel int    `json:"current_level,omitempty"`                          // Aktueller Wert (nur für Verbesserung)
 	Type         string `json:"type" binding:"required,oneof=skill spell weapon"` // 'skill', 'spell' oder 'weapon' Waffenfertigkeiten sind normale Fertigkeiten (evtl. kann hier später der Name der Waffe angegeben werden )
 	Action       string `json:"action" binding:"required,oneof=learn improve"`    // 'learn' oder 'improve'