It's from Death. Original words:

Lords of the Ten Blades, as you can see, there are three enemies. Don't be careless, but there is no need to panic. You all return. Go to your room and act as usual. Don't be proud or anxious. Just sit on the chair and wait. Don't be afraid. No matter what happens, just go forward and retreat with me. There is no enemy ahead of us.

It was said in 245,