Mindcore

The Mind Core serves as the collection of the Skith race's greatest minds and the sum of all Skith knowledge. They are used to advise and to supervise the commanders and their subordinates. It has an appearance of a huge column of light with big disembodied heads, and are usually can be located in the centre of the Skith command ships, like the Oppressor 1.

(DWM: The First, DWM: The Age of Ice)