It's an urgent request from Lord Duke Baruse.[TL: Baruse-koushaku-sama. "Duke Baruse-sama" sounds weird so I opted to TL the honoriffic. ... Well, I also do that for "nee-san-tachi". I probably should say "elder sisters" instead of just "sisters", since it suits her perspective to emphasise their superiority.]
It has been predicted that tomorrow afternoon the Sun's Tears will stir. [lit. awaken, rouse, get up]
He wants us to prepare a mass of potions by the morning.

The. Sun's. Tears..!?

[The Sun's Tears]
[One month, there was a phenomenon in the badlands of Northern Crayl, after it became night at noon, they woke.]
[From the next sun, bright rays shone]
[as countless monsters descended.]