How to Train Your Dragon Wiki
How to Train Your Dragon Wiki
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How to Train Your Dragon Wiki


The 'X' Dragon is only mentioned in The Incomplete Book of Dragons.

Physical Appearance[]

The Author, Cressida Cowell, named this dragon and illustrated its egg, which is grayish with a distinct white 'X' mark on it. She did not divulge any further information about this dragon.

Appearances[]

The Incomplete Book of Dragons[]

Only the egg of the 'X' Dragon appears, in the chapter about dragon eggs. It is mentioned nowhere else.

Site Navigation[]

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