This World Needs Balance

On the Westeros Continent, there are currently only two powerful strategic weapons that can be used in warfare: Wildfire, controlled by Queen Cersei Lannister in King's Landing, and the three Dragons in the hands of Daenerys Targaryen, the Mother of Dragons.

Other than that, there is nothing else!

Oh, sorry, it seems the Mother of Dragons only has two Dragons left now...

Speaking of "Wildfire," we must talk about its origins:

The true owner of Wildfire should belong to the Mad King of the Targaryen dynasty—Aerys Targaryen II! He was also the seventeenth, and last, member of the Targaryen family to ascend the Iron Throne before being overthrown and killed.

The Targaryen family's sigil is generally a black field with a red three-headed dragon breathing fire, representing Aegon the Conqueror (reigned Aegon I 1-37) and his sisters Visenya and Rhaenys. Their family words are "Fire and Blood." Their family's base was King's Landing, the capital of the Seven Kingdoms, and Dragonstone, an island in the Narrow Sea to the east of King's Landing and south of the peninsula.

Under normal circumstances, the King of the Targaryen family would usually reside on the Iron Throne in the Red Keep in King's Landing, ruling over the vast and rich lands of the Westeros Continent. Dragonstone, on the other hand, would typically be left to the family's first heir! This is because Dragonstone is said to be the habitat of Dragons, and Dragons are the guarantee of the Targaryen family's rule, making the place extremely important to the Targaryen royal family!

However...

After the Targaryen family's last weak Dragon—Morning, Rhaenyra's Dragon—which was too small to participate in the Dance of the Dragons and thus narrowly survived, died during the reign of "Dragonbane" Aegon III Targaryen (Aegon 131-157), the Targaryen family had no more