History of gunpowder, an Uncommon card

The card carries these facts from its Wikipedia article.

• Popularly listed as one of the "Four Great Inventions" of China, it was invented during the late Tang dynasty while the earliest recorded chemical formula for gunpowder dates to the Song dynasty.
• Knowledge of gunpowder spread rapidly throughout Eurasia, possibly as a result of the Mongol conquests during the 13th century, with written formulas for it appearing in the Middle East between 1240 and 1280 in a treatise by Hasan al-Rammah, and in Europe by 1267 in the Opus Majus by Roger Bacon.
• It was employed in warfare to some effect from at least the 10th century in weapons such as fire arrows, bombs, and the fire lance before the appearance of the gun in the 13th century.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The History of gunpowder article was read about 160,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 91 and blocks with 100: each hit it takes is cut by 40 %.

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The cards just above and just below History of gunpowder in the power ranking, all domains together.