Originally Posted by
Rater202
The Show Runner who created Alien X died due to complications of Heart Surgery during Ultimate Alien.
The Show Runner for Omniverse changed a bunch of stuff from Dwayne's vision(including Retconning out an entire planet and implicitly the character that lived on it.)
Alien X was designed to be awesome but impractical--he can do anything, but Ben could rearely ever use him. Ben only used it twice in the UAF era.
It was only after the soft reboot from Omniverse that Ben started using Alien X anywhere near regularly.