Ending, plot discussion. Warning: Spoilers

[Phen]

Let it be pointed out that Louisoix says himself that we are only using a tiny bit of the dieties strength because using it will be more destructive than what's inside Dalamud.

Yah I assume that is a look into the face of god you die kinda thing. Also worth noting- god does not mean invincible/all powerful- think more like greek/norse. Very powerful but if you throw a damn titan at them they start to be worse for the wear.