To create a skill tree for your game "NexTale" with the specified requirements, follow this structure:

1. Main Node (Center): "Hero's Journey"

   • This is the central node from which all other skills branch out.

2. Skill Nodes (Total: 70):

   • Branches: Divide the skill tree into several branches, each representing a different skill category (e.g., Combat, Magic, Crafting, Exploration, etc.).
   • Node Requirements: Some nodes will require a 5/5 mastery level in a preceding node to unlock the next node.

3. Example Structure:

   • Combat Branch:
     • Node 1: "Basic Attack" (Unlocks Node 2)
     • Node 2: "Power Strike" (Requires 5/5 in Basic Attack, Unlocks Node 3)
     • Node 3: "Combo Mastery" (Requires 5/5 in Power Strike, Dead End)
   • Magic Branch:
     • Node 4: "Fireball" (Unlocks Node 5)
     • Node 5: "Ice Shield" (Requires 5/5 in Fireball, Unlocks Node 6)
     • Node 6: "Elemental Mastery" (Requires 5/5 in Ice Shield, Unlocks Node 7)
     • Node 7: "Arcane Explosion" (Requires 5/5 in Elemental Mastery, Dead End)
   • Crafting Branch:
     • Node 8: "Basic Crafting" (Unlocks Node 9)
     • Node 9: "Advanced Crafting" (Requires 5/5 in Basic Crafting, Unlocks Node 10)
     • Node 10: "Legendary Crafting" (Requires 5/5 in Advanced Crafting, Dead End)
   • Exploration Branch:
     • Node 11: "Map Reading" (Unlocks Node 12)
     • Node 12: "Treasure Hunter" (Requires 5/5 in Map Reading, Unlocks Node 13)
     • Node 13: "Hidden Paths" (Requires 5/5 in Treasure Hunter, Dead End)

4. Dead Ends: Ensure that certain nodes lead to dead ends to create strategic choices for players.

5. Visual Layout: Use a radial or tree structure to visually represent the connections and branches, ensuring clarity in progression paths.

This structure provides a comprehensive skill tree for "NexTale," allowing for diverse character development and strategic decision-making.