Welcome to the Age of Steam.

The world was once made of three shells. The lower shelf was home to the creatures of the dark and their sinister behavior. The high shelf was home to the never-ending day, roamed by an idealistic flying race called the Airelons. The central shelf was home to mankind and the original races of the gods. Then, disaster struck the world and the high and low shelfs collapsed. What’s left is a shattered world of near-destroyed empires and massive floating islands in the sky. From this world, the free-thinking races embraced a hybrid of magic and technology—thus the Age of Steam was born a thousand years after the great fall.

After that, take a look at your wiki. There is some more helpful info there.

Steam mech

Airship Kalliste & the Steam Age

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