In addition, the calculated FP to block the first place and the total construction costs of the Great Building by the owner. Table and chart of construction cost and rewards of Great Building The Arc from Forge of Empires game including The Arc bonus. With such investors, upgrading The Arc from level 1 to level 80 costs 24,105 Forge Points by the owner. Five friendly investors throwing in thanks to the extended The Arc for a 190% return strongly reduces the required own contribution. This allows You to earn by investing less PR than the return or strongly accelerate the construction of Your own Great Buildings by mutual, jointly investing more PR in your pearls with your friends. The Arc at level 80 gives a 90% bonus to earned Forge Points, Great Buildings blueprints and medals from rewards for investing in other players' Great Buildings. We are proud to present you our brand new Cultural Settlement: The Mughal Empire This is the fifth of our Cultural Settlements, and your job is to help expand the Mughal Embassy. Its expansion to level 80 greatly accelerates the development of the city and other Great Buildings. New Tower of Babel Forge of Empires Forum. The Arc is one of the best Great Buildings in Forge of Empires game.