The Banshees are a mysterious, Giger-esque alien beasts who would often launch "kamikaze" raids on ranger vessels in flight, and who could move effortlessly through time and space.
The Banshees have compound eyes, wings and talons dual claws. Banshees can't be detected by Graakas mental powers.
The Banshees would overtook a ship carrying illicit smugglers and attempted to take the ship back into a Banshee dimension, where a giant, alien hive awaited.
Believe to use Biotech.