By A Mystery Man Writer
Ethereal (XCOM: Enemy Unknown), XCOM Wiki
Difficulty and Narrative: XCOM: Enemy Unknown (Pt. 1 of 2) — Everything is Scary
Welp, I give up on this game. :: XCOM 2 General Discussions
Aliens to the Rescue, XCOM 2 Long War of the Chosen Mod Jam
First encounter stories with faceless? : r/Xcom
Hardened, XCOM Wiki
Uber Ethereal, XCOM Wiki
X-Com: Enemy Within Part #56 - Temple Ship Assault
The DeanBeat: I'm surrendering to the aliens in XCOM 2. It's too hard
Overseer UFO + 2nd boss(Ethereal) - XCOM Enemy Unknown/Enemy Within