Forum:A little DW curiosity

Hi,people! I had a little curiosity about Dynasty Warriors 8:

I often go to the gallery and take a look at weapons,characters and so on,and I noticed that every character had special voice lines for when he\she dies,or he\she is slain (even by specific characters,such as Xiahou Dun by Guan Yu). But I've also noticed that these lines are never spoken by characters in battle,even because there would be no reason (the most of the times)...so,my question is : are these lines pointless? Or am I missing something?