Cloud Land 4 is the 25th Challenge Level, found at the Clouds bracket and as so feature the Mystic Cloud Key. This level is tricky and involves almost always merging 5 objects and quick movement as the Grass Tufts can change into unwanted Necromancer Grass which would make the challenge unwinnable.
- Tap the Ancient Dragon Skull for Unearthed Skeletons and scatter them.
- Merge Bones into Life Flower Sprouts until you have enough to create five Life Flowers
- Merge those to make 2 Blue Life Flowers, then merge those with the one found on the middle island.
- Unlock the upper center island with the Glowing Life Flower.
- Merge the Golem Dragon Eggs.
- Merge the Grass Tufts, then use the Lawn Grass to unlock the right upper island.
- Harvest enough Life Essence to heal this island.
- Merge 5 Seeds of the Prism Flower, then merge the Sprouting Prism Flowers and Prism Flower Buds.
- Use the Opening Prism Flowers to unlock the lower right island.
- Heal the land.
- Destroy one of the two Demon Gates.
- Merge three Destroyed Gaia Statues and you've won.