Was it worth it?
''The procedure will take two hours at the very least.'' Sliding his index finger on the surface of his tablet, Sam looked up at the three large glass containers that made up Eir. ''Even if it's a success, everything will still depend on how you'll make use of it. But I trust your abilities. I'm sure you three will lead us to victory.''
On the other side of the glass wall, Nine, Zero Five and Zero Three nodded with solemn expressions. The three of them were completely naked, but considering the context of what's about to happen the scene didn't look sexual in the least.
Sam had modified Eir so it could do more than just repair the damage Valkyries take. Instead of healing them, the device will open a hole in their chests, reveal their hearts and remove their outer layers. After that the nanomachines he designed will come in and rebuild the new part, ending the operation and closing the hole.