User blog comment:IceFireWarden0/Speculations for Season 11/@comment-176.248.42.6-20130629142630/@comment-1886172-20130629152653

They wouldn't let Caboose become absorbed by a Gravemind, that would be as good as killing off a charater. And there is no such thing as almost absorbed, he either is or he isn't. Also, were he to be absorbed by the Gravemind, his mind would either be lost or just join one of the thousands of voices of the Flood, not affectling the Gravemind in the slightest like the Prophet of Regret.