Anvils Legacy Official Trailer (2016) for Halo 5: Forge. Anvil’s Legacy is one of Halo 5: Guardians’ most feature-filled content releases to date, and marks an exciting new chapter in the Halo franchise with the release of Halo 5: Forge and the Halo app for Windows 10. Halo 4’s beloved Haven map is reincarnated in Halo 5 as Mercy, and Warzone Assault receives the all-new battleground known as Temple. Forge also receives a major update with the Content Browser, allowing Forgers to share their masterpieces for the community to discover and enjoy. New cosmetic and Power Weapon REQs also make their way to Halo 5, including the Master Control skins and Wicked Grasp weapon ripped straight from the mighty Hunters players have faced off against for years. All this and more await you in Anvil’s Legacy.