Day nine.
Deleb breaks through the garrison (F23, a very interesting battle: only 4 hydras remain alive) and heads to the Rangers' Castle.
Added 55 minutes ago
Since we were discussing winning tactics, I'll share my Walkthrough. And after the preliminary results, we might ask for more from others.
In the lands of the elf Nur, grabbing some money from the chest along the way, he heads straight to the Castle. On the night of Sunday to Monday, he defends against Gilraen and, having saved 42 gremlins...
In the morning, he crushes Hafiz's troops. In a long and fierce battle, only an imp and a handful of demons survive.
The main thing in the battle with Erin is to have full mana, therefore, Ora,
grabbing mercury, heads to the well, and then for the crystals. Erin attacks at night. The sign of the magician, 30 mana, and a little luck - victory, although only 4 gargoyles survived.