Ethereals are the leaders of the alien forces. They have numerous, and powerful psionic abilities that can cause havoc among the player’s squad and deliver significant damage. Their deadliest abilities are the ability to control the minds of the player’s soldiers, and the ability to drain a soldier’s health and heal itself at the same time with its Psi Drain. To make them even more difficult, Ethereals have the Hardened trait that makes them highly resistant to critical hits. Ethereals also have...