*Having spoken with a Unicron-reforged Transformer very recently, she has an answer right away* Though your current form is of Unicron's work, your spark originated with Primus, and Unicron cannot take that from him. Primus still knows your spark.

The Allspark has its own will -- it created Primus and Unicron, though the latter cut himself off from it -- but there should be no reason for the Allspark to reject your entry, if you wished it. Only those who willingly serve Unicron have a real chance of rejection. Those with origins other than the descendents of the Allspark are most likely subject to their own original creator.

*There is a tone of good humor in her voice; she is slightly amused at his throw-care-to-the-winds attitude at being, well... deceased* However, I doubt you will allow yourself to be taken to the Allspark anytime soon. You have a very strong will. The Allspark can be resisted, if one is determined enough. Most prefer its solace. *Her tone becomes more serious* Still... it was a very dire action you took, to put yourself in this form. *She frowns slightly, pensively*