Sad but threatening( Meaning it is hurting him to say this to his brother but he has to too protect his clanmates) Don't make me do this brother. 

outraged: Did you learn nothing from the full moon battle! (meaning he is angry thistle toke nothing away from the battle that cost them the lives of there closet firends and family) 

do we want to keep living our lives like this? Constant fighting and bloodshed! (challenging the other cats in the clearing and the leader)