Zuka is shown at Khranos with a rose in his hand. Upon placing the rose on Lyle's coffin, it becomes a portal to some other dimension. This portal ejects X, then causes X to be sucked out of Dignity, and his other parts, and sent off to wherever he came from.
And thus since this is after ascension, Ember wins the war, we are free to do whatever we want as Providence watches over. Though, this was confirmed to be a dream by Pinecone, so none of this ever actually happened.