The event of the Roast Arc, which finished this year, was held on December 18, on December 18th. The core of this event is ▲ 2021 reviews and performance, and improvements announced in 2022 (Roast Arc> Update Roadmap announcement. The announcement was the Golden Street Director, who had the Development of , as in the past. The Human Line Director was a direct game character 'It is a direct game character, and it was a surprise event, such as writing and playing the piano. 2021 The Human Line Director tells the journey of in 2021, and explained that system building was at the core. For this, he visited four kinds of army raids from 'Mason Corps Teeth', and concentrated to build a 'ROA expression' end content system up to 1575 combat power. He also focused on much troubleshooting, such as the 'Waste Section', Cut, and Lee Packaging, which reaches 1415 attacks. The Gyeongsang Line Director has achieved 87.5% of the goals presented in the road that we h...