The heroes are fast approaching the end of the campaign. They have become very powerful, and probably will easily kill Queen Elvanna in one round. Two of them are very proficient in their range attacks, dealing over 100 points of damage in a single round, and bypassing most damage reduction, etc.
They also will ignore the demodands and elementals, shooting at Elvanna immediately.
I'd like to make the final battle last longer without making the archers abilities completely useless (they worked hard in this campaign). Windwall seems to work well, especially if I could form a cylinder around the queen.
Any other ideas to prolong the queen's battle?