A huge dragon with a soft heart

The idea of making huge dragons continue with this one ,the original idea was to make something that had a soft heart but was so majestic that one could hardly try to even get close to this species.
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Usually hidden in the hearts of huge mountain ranges almost inaccessible by the human civilizations are dragons taller than the mountains and harder than the rocks. These majestic beasts are as old as life itself and wiser than most other species