Warning: This contains spoiler discussion.
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I feel sad for Midgardsormr since his life as a father is a horrible one.
Each of his children known to us currently all have horrible fates caused by the actions of others or their own actions from...
- Bahamut was killed by the Allagans during their conquest of the world in the Third Astral Era.
- Tiamat was tricked by the Ascians to summon a fake version of Bahamut and then the Ascians gave the Allagans the knowlodge on how to enslave dragons and imprisoned Tiamat in Azys Lia to be studied as a research material while the Fake Bahamut was imprisoned in Dalamud using the knowledge the Ascians gave the Allagans. She now punish herself by choosing to remain imprisoned for eternity.
- Ratatoskr is murdered by the founders of Ishgard due to their desire for power.
- Nidhogg is turned into a Crazy Vengeful Dragon by the actions of the Founders of Ishgard and his vengence was allowed to fester by his brother until it completely consumed him.
- Hraesvelgr now put himself through self isolation due to the regret over his own actions from not being able to prevent Rataiskr's death, couldn't prevent Nidhogg from losing his eyes from the betrayal, allowing Nidhogg to turn into the monster he is now knowing full well he would become like this if allowed to live, and for allowing Nidhogg to cause the death of thousands of Dravanians and Ishgardians for centuries over his quest for vengence.
It is like the world just want to beat Midgardsormr with a stick even after he is dead.