Thistleclaw has become Thistlestar, leader of ThunderClan, now that Sunstar has died. Bluefur has refused to give up her half-Clan kits, despite Goosefeather's urging. Now, with that one, simple decision, a whole new destiny for ThunderClan is being forged, in a way that StarClan can hardly predict.
Page 1(Prologue): https://www.weasyl.com/~predal1en/submissions/1534400/thunder-claws-page-1-old
Chapter 1: Youth - https://www.weasyl.com/~predal1en/submissions/1534412/tc-chapter-1-youth
This is old art, if you can stand the first 10 pages, the art quality improves, I promise