Battle Heart 2026 ~ Day 3 was a professional wrestling event promoted by Dream Star★Fighting Marigold, held on October 10, 2026 at Korakuen Hall in Tokyo, Japan. In the main event, Victoria Yuzuki defended the Marigold United National Championship against Poland's Diana Strong, who brought Yuzuki her only loss on the road to winning the 2026 DREAM✴︎STAR Grand Prix.