Step 1: 💧 Water and 💧 Water

Combine 💧 Water and 💧 Water to create 🌊 Lake

Step 2: 💧 Water and 🌬️ Wind

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

Step 3: 🌍 Earth and 🌬️ Wind

Then, combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 4: 🌬️ Wind and 🌬️ Wind

Now, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

Step 5: 💧 Water and 🌍 Earth

And then, combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 6: 💧 Water and 🔥 Fire

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

Step 7: 🌊 Wave and 🌊 Lake

Combine 🌊 Wave and 🌊 Lake to create 🌊 Tsunami

Step 8: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 9: 🌪️ Tornado and 🌪️ Tornado

Combine 🌪️ Tornado and 🌪️ Tornado to create 🌀 Hurricane

Step 10: 🌫️ Dust and 🌍 Earth

Combine 🌫️ Dust and 🌍 Earth to create 🪐 Planet

Step 11: 🌪️ Tornado and 🌫️ Dust

Combine 🌪️ Tornado and 🌫️ Dust to create 🌪️ Dust Storm

Step 12: 🌱 Plant and 💧 Water

Combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 13: 🌊 Tsunami and 💨 Steam

Combine 🌊 Tsunami and 💨 Steam to create 🚢 Titanic

Step 14: 🌀 Hurricane and 🌳 Tree

Combine 🌀 Hurricane and 🌳 Tree to create 🌴 Palm

Step 15: 🌪️ Dust Storm and 🪐 Planet

Combine 🌪️ Dust Storm and 🪐 Planet to create 🪐 Mars

Step 16: 🚢 Titanic and 🐊 Swamp

Combine 🚢 Titanic and 🐊 Swamp to create 🐊 Swamp Thing

Step 17: 🪐 Mars and 🌴 Palm

Combine 🪐 Mars and 🌴 Palm to create 📷 Tripod

Step 18: 📷 Tripod and 🐊 Swamp Thing

Combine 📷 Tripod and 🐊 Swamp Thing to create 🐶 The Thing