The Spirit of Speed bonus increases your construction speed by 100% for 24 hours. It means that your buildings will be constructed 2 times faster while the bonus works but it still will take some time. For example, 4 hours construction will be finished in 2 hours, 8 hours - in 4, etc.
The feature works only with the constructions that you start after activating the Spirit of Speed, not with the current ones initiated before using the bonus.
Have more questions? Submit a request