 The core idea of this 'religion' was that there was a state that the Zerg could reach where they no longer needed to evolve, that their evolutionary form would never have to change again because they could already adapt to any situation.Abathur accepts that the Overmind's instinctive desire for "true perfection" is impossible for the Zerg swarm to achieve, yet reasoned that "...chasing perfection was tactically sound regardless.