: Also look to the in-game narration before asking.
: The tain was, as the journal writer said, shattered. What
: the deciever uses in myth 2 is a bit of that shattered
: tain. That's why it's got those areas of darkness,
: those are other pieces that have been broken off.
: -Disc
Which leaves us with an interesting question: Why was the summoner in the tain piece that the Deceiver found? It would make much more sense if he was in the piece soulblighter had, safe from any attack, as opposed to lying around in some forest.