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
Fast Way to Unlock Kkachi Echo Skin in Overwatch 2's Lunar New Year | Attack of the Fanboy
Echo - Overwatch Wiki
Overwatch 2: 6 Tips and Tricks To Play Echo
Mime Echo Concept via /r/Overwatch – OW Highlights
Overwatch: Echo Release Date, Abilities, Gameplay, and Trailer | Den of Geek
10" ECHO - OVERWATCH 2 POP! 10" | FUNKO EU
Overwatch 2 - Echo Hero Guide - GameSpot
20+ Echo (Overwatch) HD Wallpapers and Backgrounds
Overwatch's new hero Echo has 'the most game-changing' powers yet - Polygon
Fan-Made Overwatch Skin Turns Echo Into A Gaming PC
Overwatch 2 - Heroes - Echo
Overwatch Echo: Who is the new character and what can she do? - BBC Newsround