"...... (Stupid. In that case, all I have to do is cut it. I may not be able to see it with the naked eye, but if I take off my glasses......) ......"

"I advise against it. If you cut the Etherlite, your entire body will burn. The Etherlite is now a part of your nervous system.
...... Yes, while this may not be effective against the True Ancestor, it is quite effective against humans.
Before nerve damage ensues, you would probably die from the pain."