Step 1: 🌍 Earth and 🌬️ Wind

Combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 2: 💧 Water and 🌍 Earth

Next, combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 3: 💧 Water and 💧 Water

Then, combine 💧 Water and 💧 Water to create 🌊 Lake

Step 4: 💧 Water and 🌬️ Wind

Now, combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 5: 🌬️ Wind and 🌬️ Wind

And then, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

Step 6: 💧 Water and 🔥 Fire

As next step, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 7: 🌫️ Dust and 🌊 Wave

Combine 🌫️ Dust and 🌊 Wave to create 🏖️ Sand

Step 8: 💨 Steam and 🌱 Plant

Combine 💨 Steam and 🌱 Plant to create 🍵 Tea

Step 9: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 10: 🌊 Wave and 🌊 Lake

Combine 🌊 Wave and 🌊 Lake to create 🌊 Tsunami

Step 11: 🌪️ Tornado and 🌪️ Tornado

Combine 🌪️ Tornado and 🌪️ Tornado to create 🌀 Hurricane

Step 12: 🌊 Tsunami and 💨 Steam

Combine 🌊 Tsunami and 💨 Steam to create 🚢 Titanic

Step 13: 🍵 Tea and 🏖️ Sand

Combine 🍵 Tea and 🏖️ Sand to create 🥪 Sandwich

Step 14: 🌳 Tree and 🌬️ Wind

Combine 🌳 Tree and 🌬️ Wind to create 🍃 Leaf

Step 15: 🌀 Hurricane and 🌊 Tsunami

Combine 🌀 Hurricane and 🌊 Tsunami to create 🌪️ Disaster

Step 16: 🥪 Sandwich and 🚢 Titanic

Combine 🥪 Sandwich and 🚢 Titanic to create 🌊 Sandtitanic

Step 17: 🌪️ Disaster and 🍃 Leaf

Combine 🌪️ Disaster and 🍃 Leaf to create 🍂 Fall

Step 18: 🍂 Fall and 🌊 Sandtitanic

Combine 🍂 Fall and 🌊 Sandtitanic to create 🍂🚢 Falltitanic