[X] Lord Strategos
The Sword of Creation. We get access to the Sword of Creation. In addition to doubling down on our legend as an invincible general (not my first choice, but let's at least stick with our guns, yeah?) and get command authority over the entire Exalted host during exigent circumstances.
[X] Protector of the West
A really cool boat and a ton of benefits in the Age of Sorrows. What's not to like?
[X] The Sword of Endings
Sidereal ally, more dramatic tension during the Usurpation, and some bonuses with Ivory down the road if she remembers her past life. The idea that they contemplated creating a division just to handle Odyssial's endings kind of tickles my fancy, too.
...Oh, yeah, and we get the potential for an Artifact N/A. Which is unbelievable, frankly. For those who don't know what that means, it's a plot-device level item that has enormous potential, to the point where it breaks the ordinary artifact scale. Apparently Odyssial killed enough people to make one out of their fates.