Famously, it seems (readers have warned me of this), the second half of Book Two is nothing but a really long list of who’s fighting on each side. The main interest here is in how many great warriors are the sons of gods who just couldn’t resist bedding a human woman.
Look, The Iliad was meant to be recited (possibly after dinner), and any long-form entertainment needs some built-in breaks. So I guess this is the part where you would go to the bathroom or refill your olive bowl or whatever.