Step 1: Make Willy Wonka
Earth + Water = Mud
Air + Water = Rain
Rain + Earth = Plant
Plant + Mud = Swamp
Fire + Air = Energy
Swamp + Energy = Life
Earth + Life = Human
Earth + Fire = Lava
Lava + Air = Stone
Fire + Stone = Metal
Metal + Human = Tool
Human + Tool = Engineer
2X Air = Pressure
Air + Energy = Wind
Wind + Stone = Sand
Sand + Fire = Glass
Sand + Glass = Time
Plant + Time = Tree
Plant + Human = Farmer
Tree + Farmer = Fruit
Fruit + Pressure = Juice
Juice + Energy = Sugar
Engineer + Sugar = Willy Wonka
Step 2: Make River
Fire + Air = Energy
Earth + Energy = Earthquake
Earth + Earthquake = Mountain
Air + Water = Rain
Rain + Mountain = River
Step 3: Willy Wonka + River = Chocolate