Halloween rewards start with logging into the game.
Along with the Shadows of Fear Marathon, the Reward Journal will also be updated. From October 21 to November 17, log into Caliber every day and claim useful items. At the finale, there will be a new Behemoth Emblem.
Check the reward list on the website: https://playcaliber.com/en/news/1337/reward-log-halloween-2026/