Indeed that's what he comes with, however, according to the Index he has access to the whole range of Weapons of Torture and Tools of Torment.
Too bad most artefacts stopped existing along with the Coven Supplement...
If they return with the next Codex that thing on his back could count as Syndriq's sump.
The last artefact he still has access to, for now, is the Crucible of Malediction.