The Triannons are a humanoid race from the planet Triannon, which is located in the Muratas Cluster in the Delphic Expanse. They also do not like having detailed bioscans being taken.
Their technology in the 22nd century was greatly inferior. They do not have transporters. It takes them a year to travel 6.3 light-years.
The believed that the Delphic Expanse spheres were created by gods. They call these gods the Makers. They believed the Makers were reshaping the expanse to create a paradise for their return.
They would spends months to visit a sphere. They believed that traveling through a sphere's cloaking barrier, landing on it, or going inside were horrible acts. They would kill the guilty parties.
There was at least two factions of Triannons. One faction believed the Chosen Realm was created in nine days. This faction wore red tattoos on the right side. Another faction thought the Chosen Realm took 10 days to build and wore black tattoos on the left side.
The war continued and in March 2154 when the NX-01 Enterprise visited the planet, the entire planet was destroyed. Millions lost their lives and no major cities remained.