Step 1: 💧 Water and 💧 Water

Combine 💧 Water and 💧 Water to create 🌊 Lake

Step 2: 🌍 Earth and 🌬️ Wind

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

Step 3: 💧 Water and 🌍 Earth

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

Step 4: 💧 Water and 🔥 Fire

Now, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 5: 🌊 Wave and 🌊 Lake

And then, combine 🌊 Wave and 🌊 Lake to create 🌊 Tsunami

Step 6: 💧 Water and 🌬️ Wind

As next step, combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 7: 🌬️ Wind and 🔥 Fire

Combine 🌬️ Wind and 🔥 Fire to create 💨 Smoke

Step 8: 🌊 Wave and 🌱 Plant

Combine 🌊 Wave and 🌱 Plant to create 🌊 Seaweed

Step 9: 🌫️ Dust and 💧 Water

Combine 🌫️ Dust and 💧 Water to create 💩 Mud

Step 10: 🌱 Plant and 💧 Water

Combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 11: 🌊 Tsunami and 💨 Steam

Combine 🌊 Tsunami and 💨 Steam to create 🚢 Titanic

Step 12: 💨 Smoke and 🌊 Wave

Combine 💨 Smoke and 🌊 Wave to create 🏄 Surf

Step 13: 💩 Mud and 🌊 Seaweed

Combine 💩 Mud and 🌊 Seaweed to create 🌿 Mudweed

Step 14: 🚢 Titanic and 🐊 Swamp

Combine 🚢 Titanic and 🐊 Swamp to create 🐊 Swamp Thing

Step 15: 🌿 Mudweed and 🏄 Surf

Combine 🌿 Mudweed and 🏄 Surf to create 🌊 Surfweed

Step 16: 🌊 Surfweed and 🐊 Swamp Thing

Combine 🌊 Surfweed and 🐊 Swamp Thing to create 🌿 Swamp Weed