She has awakened.
Jilgamesh carries it around every day, yet he doesn't even know that the will of Tiamat inside has already been corrupted into evil.
The mythology of Mesopotamia later perished in ancient Persia and was assimilated by it. According to the historical timeline, Jilgamesh himself is a Holy Relic of Mesopotamia. Two things left from this civilization are the "Babylonian Creation Myth" and the "Epic of Jilgamesh."
The first is himself, and the other is the broken sword he carries.
Ancient Persia is equivalent to Zoroastrianism and its subsequent religious evolutions, leading down to Duncan's old acquaintance, the aspect of Mitra.
Tiamat, with her concept of the Mother Goddess of Creation, had a profound impact on later Jewish religious texts and the Bible, especially the Old Testament. Later on, it evolved into the complete form of Monotheism, which also extinguished the pantheon of Ancient Greece and Ancient Rome, becoming the God faction.
