Followers

The Followers upgrade is availible only in the Covenant Temple. It's icon is a picture of three elites with energy swords. It also has has a +10 symbol next to the picture. It requires 3 tech points which in the covenant is called the Age of Reclamation. This upgrade costs 800 supplies.

Positives
Negetives:
 * Increases Covenant army population to 50 rather than the original 40.
 * Allows you to build 2 Scarabs and make 3 Locusts
 * Allows you to outnumber and possibly outmatch your enemies.
 * If you make this upgrade while your army is full and you are under attack, your Temple may be destroyed and you would be defenceless if yor army is far away.
 * Enemies can also by this upgrade.
 * AI Players use this to make scarabs against you or in the prophet of regrets case, 50 Elite Honour Guard

Trivia:
 * The UNSC has a counterpart to this which can be upgraded at the Field Armoury
 * Scarabs can be aided by locusts or any other covenant if this upgrade is bought.
 * This is one of the hardest upgrades to obtain. Needing 3 tech levels and 800 supplies. By the time it is complete you won't have long before the enemy attacks you.