Infrared Scan: Evolve:

Metabolic Boost

Adrenal Glands

Metabolic Boost Adrenal Glands

Cost: 200
Hit Points: 750
Armor Type: Heavy
Armor: 1

The Spawning Pool gives Larvae the ability to morph into Zerglings and the Hatchery the ability to evolve into the Lair. The Spawning Pool is also responsible for evolving the Zergling with Metabolic Boost (faster movement) and Adrenal Glands (faster attack).