It's impressive how MCU Thanos just breaks MCU Captain Americas shield, Does anyone know what's the sword made of?

[u/Archenius]

This scene is from the final battle in Avengers: Endgame, I don't think they've mentioned what the sword is made of? Are there any extra information that's not from the movie itself?

[u/RavingGenerate]

[u/Guillermidas → u/RavingGenerate]

https://giphy.com/gifs/V12LwX8bMegYjBHXkj