Umbra

MATT WARD WILL WRITE THEIR CODEX AND IT WILL BE PURE CHEESE AND MAKE EVERYONE RAEGEE

Ahem.

A minor Xenos race, the Umbra are basically black basketball creatures with the ability to manipulate shadow as a weapon. Apparantly they are shards of the H'rud's god, sharded by Slaanesh when it was born. When they die they psykically scream 'Linger'.