"Spoilers"
Jayfeather and Lionblaze's sister kills Ashfur in Eclipse because she couldn't let him tell the other clans Leafpool and Crowfeather were their parents.
Jayfeather
The cat on the cover of "Eclipse" in the "Warriors" series is Crowfeather, a sleek black tom with blue eyes. He is a main character in the series and part of ThunderClan.
Yes.Thats why it's called "warriors eclipse!!!"
In "Warriors: Night Whispers," Russetfur dies during a battle with WindClan. She is killed by a WindClan warrior while trying to defend her clanmates.
Yes, he does. Feathertail dies trying to save The Tribe of Rushing Water and her Clanmates, along with Crowfeather, the cat she loved. -Bluestar127
The young pretty she-cat named slverstream, dies. From: squirrelflight
In "Warriors: Power of Three Sunrise," Honeyfern dies after being bitten by a viper while trying to protect Briarkit. Honeyfern's death impacts ThunderClan deeply, as she was a beloved member of the clan.
There is 336 pages in Warriors: Power Of Three #4: Eclipse.
[SPOILER ALERT] Crowfeather has kits with Leafpool and his WindClan mate, so obviously he does.
Dappletail dies of natural causes in her sleep, as she is an elderly cat at the time of her passing in the Warriors series.
Yes. Victoria comes back in Eclipse (and dies in Eclipse).
Whiteclaw and Clawface die. Bluestar loses her eighth life. Brightflower of ShadowClan dies between this book and Into the Wild.