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Enhance your strategy with League Builder, a streamlined theorycraft tool for League of Legends. Quickly simulate and theorize builds using up-to-date data on items and champions, and share your builds with the community.
Instantly calculate win rates and scores for any champion and role, tailored to your team's synergy and the opposition. Dynamic Build Recommendations Craft the perfect load out based on ally and enemy champions with our deep analysis of runes, items, skills, and summoner spells.
League of Legends Build Calculator using Genetic Algorithms. Computer optimized builds for all champions. Use the optimizer to create new and novel League of Legends builds then turn them into guides for sharing with your friends!
Best Builds from the Best Data. Riot-approved U.GG provides the best League of Legends builds, LoL runes, Probuilds, Tier List, Counters, and more.
The Best LoL Champion Builds and Player Stats by OP.GG - Learn champion builds, runes, and counters. Search Riot ID and Tagline for stats of all game modes.
Lol Matchup Tool! Check champions matchups, calculate damages using different item and rune builds!
Use the Comp Builder to forge an optimal Team Composition. The higher the Scorecard Value the better! For each Attribute listed below the Scorecard, we compare the attributes of the Champions you've chosen with our recommended Goal for that attribute.
