RPG on the Portal.

I took some troops from Ta Kotoraya and led them along a safe path to the rear of the castle. We arrived. I examined the stones, but one seemed special to me. I barely managed to lift it and took out a scroll. It was...

It was a sheet of paper with incomprehensible writings... then your squad was spotted by demons, and some of them rushed towards you (although not a large number, there are 10 times more of them than you...).
What are your actions?