Board Thread:Questions and Answers/@comment-4884084-20140402162045/@comment-14512598-20140407023903

Ben however, was deathly afraid of transforming into Ghostfreak, which is why he refused to use it in Mystery Incorporeal. I recall him using it in Ultimate Sacrifice, but he was inside the Ultimatrix, no? Might of thought that he would be fine using Ghostfreak there, or something.