What if Instead just a "hologram" Echo was able to adapt her body to the design of the targeted enemy (FanArt by Dana Pull on Artstation) : r/ Overwatch
Amazon.com: Overwatch: Echo and Her Creator Puzzle : Entertainment, Blizzard: Toys & Games
Naeri X 나에리 on Twitter: "Overwatch History of Echo Concept https://t.co/iCoSwPfWbl" / Twitter
Overwatch: Echo Release Date, Abilities, Gameplay, and Trailer | Den of Geek
Echo in the sky [Overwatch] by Camanimate on DeviantArt
Overwatch 2: 6 Tips and Tricks To Play Echo
Overwatch 2 - Echo Hero Guide - GameSpot
Fan-Made Overwatch Skin Turns Echo Into A Gaming PC
Overwatch 2 - Heroes - Echo
Echo - Overwatch Wiki
Overwatch 2 - Heroes - Echo
Overwatch 2 - Heroes - Echo
Overwatch's latest hero Echo can transform into any enemy hero on the battlefield | Eurogamer.net
Overwatch unveils new evolutionary robot hero, Echo - The Verge