The Chief Hall is the symbol and foundation of the clan. it is the Vikings' most sacred building that represents their bravery. Upgrading the Chief Hall increase the clan's potential and determines the development scale of the City. A grand Chief Hall means the clan can go further. In this guide i'll provide information about the requirement upgrading Chief Hall (without specific time). because time is relatively different from many factor. 1. None -> CH 1 You get it by Default from the game, after finishing tutorials. Clan Power Upgrade: Develop City 2. CH 1 -> CH 2 Lv.1 Infantry Barracks Food : 1.8 K Wood : 1.8 K 3. CH 2 -> CH 3 Lv.2 Walls Food : 4.0 K Wood : 4.0 K 4. CH 3 -> CH 4 Lv.3 Walls Food : 12.7 K Wood : 12.7 K Clan Power Upgrade: The Rising 5. CH 4 -> CH 5 Lv.4 Walls Lv.5 Infirmary Food : 27.6 K Wood : 27.6 K March Queue: +1 (Max 2) 6. CH 5 -> CH 6 Lv.5 Walls Lv.5 Warehouse Food : 48.8 K Wood : 48.8 K Stone : 25.1 K 7. CH 6 -> CH 7 Lv.6 Walls Lv.6 Eagle's Nest Food : 72.2 K Wood : 72.2 K Stone : 37.2 K 8. CH 7 -> CH 8 Lv.7 Walls Lv.7 Infantry Barracks Food : 108.3 K Wood : 108.3 K Stone : 55.8 K 9. CH 8 -> CH 9 Lv.8 Walls Lv.8 Tribe Hall Food : 150.8 K Wood : 150.8 K Stone : 77.7 K 10. CH 9 -> CH 10 Lv.9 Walls Lv.9 Academy Food : 212.0 K Wood : 212.0 K Stone : 109.0 K 11. CH 10 - > CH 11 Lv.10 Walls Lv.10 Infirmary Food : 297.0 K Wood : 297.0 K Stone : 153.0 K Clan Power Upgrade: Budding Talents March Queue: +1 (Max 3) 12. CH 11 -> CH 12 Lv.11 Walls Lv.11 Warehouse Food : 416.0 K Wood : 416.0 K Stone : 214.0 K 13. CH 12 -> CH 13 Lv.12 Walls Lv.12 Piker Barracks Food : 582.0 K Wood : 582.0 K Stone : 300.0 K 14. CH 13 -> CH 14 Lv.13 Walls Lv.13 Tribe Hall Food : 815.0 K Wood : 815.0 K Stone : 420.0 K 15. CH 14 -> CH 15 Lv.14 Walls Lv.14 Divination Food : 1.1 M Wood : 1.1 M Stone : 589.0 K 16. CH 15 -> CH 16 Lv.15 Walls Lv.15 Academy Food : 1.5 M Wood : 1.5 M Stone : 820.0 K Clan Power Upgrade: Prosperous 17. CH 16 -> CH 17 Lv.16 Walls Lv.16 Infirmary Food : 3.1 M Wood : 3.1 M Stone : 1.6 M March Queue: +1 (Max 4) 18. CH17 -> CH 18 Lv.17 Walls Lv.17 Warehouse Food : 4.6 M Wood : 4.6 M Stone : 2.3 M 19. CH 18 -> CH 19 Lv.18 Walls Lv.18 Archer Barracks Food : 6.7 M Wood : 6.7 M Stone : 3.4 M 20. CH 19 -> CH 20 Lv.19 Walls Lv.19 Academy Food : 9.7 M Wood : 9.7 M Stone : 5.0 M Requirements for entering KVK1 (kingdom vs Kingdom Season 1) maps. 21. CH 20 -> CH 21 Lv.20 Walls Lv.20 Academy Lv.20 Hall of Valor Food : 19.5 M Wood : 19.5 M Stone : 10.0 M Clan Power Upgrade: Heyday 22. CH 21 -> CH 22 Lv21 Walls Lv.21 Infirmary Lv.21 Pikemen Barracks Food : 29.2 M Wood : 29.2 M Stone : 15.0 M March Queue: +1 (Max 5) Requirements for entering KVK2 (kingdom vs Kingdom Season 2) maps. 23. CH 22 -> CH 23 Lv.22 Walls Lv.22 Warehouse Food : 43.8 M Wood : 43.8 M Stone : 22.6 M 24. CH 23 -> CH 24 Lv.23 Walls Lv.23 Porter Barracks Food : 65.8 M Wood : 65.8 M Stone : 33.9 M 25. CH 24 -> CH 25 Lv.24 Walls Lv.24 Divination Shack Lv.24 Academy Food : 131.6 M Wood : 131.6 M Stone : 67.8 M Clan Power Upgrade: Eternal Glory You've reached the maximum level of Chief Hall.