Suthidruu speech consists mainly of piping, whispering, and slurping sounds that resemble the playing of alien flutes combined with less pleasant sources. It joins with olfactory cues for nuance and grammatical detail, and these cues increase in intensity with the level of emotional arousal of the speaker. Typical scents emitted can be nauseating to humans, but are usually only faintly so unless the being is being shouty or screaming.
Audible sounds are spoken in a variety of meters. Suthidruu use these sounds to arm and calibrate their weaponry, as much of it is voice-controlled.
The upload cannon is a horrible weapon used in Last Rites ceremonies for doomed species. It is a series of turret-mounted remote brain-scanners of incredible power and precision, standard issue on all Suthidruu combat craft. Batteries of this weapon copy brain patterns as they destroy the brains of entire planetary populations. These patterns are then sent to the virtual world of a dying Matrioshka brain known as the Labyrinth of the Machine Goddess, located in a distant, long-forgotten galaxy. Upload cannons work only on beings with electrochemical central nervous systems. They have no effect on unconventional brain substrates, nor pure machine intelligences. But these are not considered to be living things in the Elder Worms’ theology. Uploaded minds then reside in the Matrioshka brain’s circuits as semi-aware shades, or data-ghosts.
The species’ main personal armament issued to all acolytes, the flutecaster, resembles an oversized flute with multiple pipes, and it is a miniaturized version of the upload cannons used by their vehicles, and unless shielded from the effects, the results of a direct hit are almost invariably fatal. Brain patterns thus stolen are uploaded to the vessel the warrior is stationed on, and from there uploaded to the Matrioshka brain.
The Labyrinth itself is in a state of slow decay, with uploaded mind-patterns subjected to glitches of various surreal sorts and even random deletion due to broken down machinery. Paradise here does not resemble anything sane. A good analogy would be something like a Salvador Dali painting combined with the more bizarre works of Heironymous Bosch. This is as it has been for billions of years.
It remains to be seen what the reaction of the Suthidruu would be if they realized the true nature of the afterlife they send their victims to. They shall only have a chance to find out, though, once they’ve extinguished all other life in the Cosmos and having finally earned ‘salvation’ thus, end themselves in an orgy of species-wide mass suicide. There’ll be hell to pay.