How many times did you miss team fights while spoiling time trying to choose the right item at the fountain? How often did your opponents outplay you due to the better items selection? How many lines did you lose because of the items counter-pick?
This will never happen again! No more towers lost!
League Builder is a fast and handy tool which will help you get ready to the fight before it even started.
Equip your champion and choose the runes using an easy-to-deal-with interface. Not only will you be able to estimate the cost of your future build, but also to learn which and how many characteristics you will have as the result.
Battle proactively - Win while loading!