Step 1: 💧 Water and 🔥 Fire

Combine 💧 Water and 🔥 Fire to create 💨 Steam

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: 💧 Water and 🌍 Earth

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

Step 5: 💧 Water and 💧 Water

And then, combine 💧 Water and 💧 Water to create 🌊 Lake

Step 6: 🌍 Earth and 🌍 Earth

As next step, combine 🌍 Earth and 🌍 Earth to create 🏔️ Mountain

Step 7: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 8: 🌬️ Wind and 🔥 Fire

Combine 🌬️ Wind and 🔥 Fire to create 💨 Smoke

Step 9: 💨 Smoke and 🌊 Wave

Combine 💨 Smoke and 🌊 Wave to create 🏄 Surf

Step 10: 🌊 Wave and 🌱 Plant

Combine 🌊 Wave and 🌱 Plant to create 🌊 Seaweed

Step 11: 🌫️ Dust and 💧 Water

Combine 🌫️ Dust and 💧 Water to create 💩 Mud

Step 12: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 13: 🏔️ Mountain and 🌊 Lake

Combine 🏔️ Mountain and 🌊 Lake to create 🏞️ Fjord

Step 14: 🚗 Engine and 🚗 Engine

Combine 🚗 Engine and 🚗 Engine to create 🚀 Rocket

Step 15: 🏄 Surf and 💨 Smoke

Combine 🏄 Surf and 💨 Smoke to create 🏄 Surfer

Step 16: 💩 Mud and 🌊 Seaweed

Combine 💩 Mud and 🌊 Seaweed to create 🌿 Mudweed

Step 17: 🏞️ Fjord and 🌳 Tree

Combine 🏞️ Fjord and 🌳 Tree to create 🌲 Pine

Step 18: 🏄 Surfer and 🚀 Rocket

Combine 🏄 Surfer and 🚀 Rocket to create 🤖 Iron Man

Step 19: 🌲 Pine and 🌿 Mudweed

Combine 🌲 Pine and 🌿 Mudweed to create 🌰 Pinecone

Step 20: 🌰 Pinecone and 🤖 Iron Man

Combine 🌰 Pinecone and 🤖 Iron Man to create 🌰 Iron Pinecone