Brambleclaw does kill someone. He killed Hawkfrost because hawkfrost tries to take over the forest.
He and Brambleclaw were with Firestar, who was stuck in a fox trap, and Hawkfrost told Brambleclaw to tighten the trap and kill Firestar, but Brambleclaw killed Hawkfrost instead, fulfilling the prophecy "Before there is peace, blood will spill blood, and the lake will run red."
It means that Brambleclaw will kill Hawkfrost
Yes, in the Warriors series, Ashfur becomes consumed by jealousy when Squirrelflight reveals she doesn't love him and loves Brambleclaw instead. This leads Ashfur to plot against Brambleclaw and attempt to kill him in various ways in his attempt to get revenge.
He dies when Firestar gets stuck in a fox trap and he wants Brambleclaw to kill Firestar so he can be leader. Brambleclaw reacts to his leader instead. Next, Hawkfrost threatens to kill Brambleclaw. He thinks quickly and shakes up the pole from the fox trap. Letting this get tamperd, he grabs the sharp pole and right when Hawkfrost pounces, she nails it right into Hawkfrost's throat.
In the book series "Warriors" by Erin Hunter, Brambleclaw does not kill Firestar. Firestar dies in battle against the Dark Forest warriors, sacrificing himself to save his clan. Brambleclaw later becomes the leader of ThunderClan.
Hawkfrost died when he was killed by Brambleclaw during a battle near the end of the book series 'Warriors' by Erin Hunter. Brambleclaw defended his clanmate Firestar against Hawkfrost's attempt to harm him, leading to their intense fight where Hawkfrost ultimately met his demise.
*Spoiler Alert* No Hollyleaf does.
I think it will be Lionblaze. I hope not because I hate Lionblaze! I wish Lionblaze did everything Hollyleaf did and Hollyleaf was still alive to be the next leader. Lionblaze is a betrayer to his Clan! Kill Lionblaze! I like Brambleclaw. I want Brambleclaw, Graystripe, Brackenfur or Cinderheart to become leader.
Brambleclaw kills his half-brother, Hawkfrost, in self-defense during a battle. Hawkfrost had betrayed ThunderClan and threatened Brambleclaw's life, forcing Brambleclaw to kill him to protect himself and his clanmates.
He kills him by using a part of the fox trap that was supposed to kill Firestar
Ashfur was the cat who helped Hawkfrost try to kill Firestar in the last book in The New Prophecy Series, Sunset. In the fifth book in The Power of Three Series, Long Shadows, Ashfur reveals himself to Squirrelflight, Jayfeather, Hollyleaf, and Lionblaze as the one who attempted the murder. He was furious at Squirrelflight and wanted her to feel the pain of losing a loved one like he when she left him to be with Brambleclaw.
Warriors kill people to win their battles.They also kill because they hate people.