https://wccftech.com/monster-hunter-world-iceborne-update-5-release-notes/

The fifth free title update for Monster Hunter World Iceborne is arriving on October 1, Capcom has confirmed.

Title update 5 for the Iceborne expansion will introduce legendary black Dragon ‘Fatalis’ alongside her hunter armor and all-new weapons to players to craft from Fatalis materials. The legendary dragon can be faced in the ruins of Castle Schrade with players have plenty of weapons at their disposal. “