(Not…good…)
The beetle desperately tried to open the outer shell on his back to spread his thin wings.
He was trying to create his artificial voice.
(Someone is interfering…with the Dark Matter…? I do not know who is doing this…or how…but their draw…is very powerful!!)
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“You bastard…” Rensa’s eyes opened wide. “Is this some kind of joke!? I had you completely powerless with my interference!!”
[…]
“The primary consciousness means nothing with Dark Matter. You even used that characteristic to restrict my actions.”
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“But that also means I do not particularly need my primary consciousness. Unlike the Misaka Network, each individual unit is not controlled by one large consciousness and each individual personality is not given importance either. The more I split apart, the more my consciousness is split apart into independent minds and they join back together into a single consciousness when I join back together. If you break a cookie in two, it still tastes the same and it regains its original form if you place the two pieces back together.”
This was the exact opposite of the Sisters and the Misaka Network where a problem with one portion of the network risked affecting all of them.
He could split apart as many times as necessary while retaining a sense of his self and he could still produce the same stable personality down to the last piece.

Toaru Majutsu no Index New Testament vol.7 ch.3 pt.2, ch.4 pt.6