I performed the ritual with the first stonehenge. I gain +1 level and +1 to knowledge, and I found a telepathy scroll. Suddenly, a raven flew to me, and I learned about the defeat. That's sad. I use the scroll to send a message to the archmage. He is worried and will pass it on to the other advisors. And now, an army is leaving from Agimont with equipment, 100 archers, 125 inquisitors, and 25 archangels. It will arrive in 5 turns.
I decided to pray to the God