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In general, I disagree with the developers regarding the design of the Emerald Dragons – earth is something solid, impenetrable, wingless, slow, and powerful.
Silanna is the strongest of the Elemental Dragons. She is strong and decisive, and her dense emerald armor, as hard as diamond, is always covered with moss, plants, and trees. Silanna has no wings; her legs are massive and short (to be closer to the ground). In her anger, she stomps them, causing earthquakes. Silanna's breath is a cloud of stone shards that either tear the target to pieces or cover it completely, turning it into a stone statue.
Of all the Elemental Dragons, the Earth Dragon has the most phlegmatic, unhurried, and even-tempered character. Peaceful and thoughtful, Earth acts only after long deliberation and study. She often becomes a peacemaker among her brothers and sisters. She is the guardian of Nature, adoring plants, animals, and "living rocks"; the only way to awaken her anger is to destroy or defile her sacred groves and stone circles.
Surprisingly, the dragons of Arcata are the closest in description to what exists in the game – HAHA, where is the logic?