I was grudgingly entertained by the encounter. I thought that the mechanics were interesting enough, and the difficulty on-par with what a Dun Scaith midboss should be.

The problem is, Proto Ultima has been a fight teased since 3.0. Folks could watch him emerge from the ship in Azys Lla, fly around, and eventually spawn the Prey Online FATE there. I was confident that eventually we'd actually be facing the thing in combat, and that it might even be the climactic battle of the expansion - possibly even the lead-in trial battle for 4.0, much as Steps of Faith was for 3.0. For it to be implemented the way that it was was kind of a letdown; I expected more. I'm not gonna lose a whole lot of sleep over it, though.