Được tài trợ bởi NarodCast
The NarodCast CIS Battle 1 was a Tier 3 online Dota 2 tournament held from August 2 to 15, 2025, organized by NarodCast—a production company known for supporting the CIS esports scene. The event brought together 10 teams in a competitive group stage, followed by a double-elimination playoff bracket. All matches in the group stage were played in a best-of-three format, with only the top four teams advancing to the playoffs. The Grand Final was a best-of-five series, showcasing the top talent in the region and serving as a platform for emerging teams to prove their skill on patch 7.39c.