I made a tool that allows you to find the mathematically correct build for any champion (also includes a Practice Tool simulation where you can attack any champ instead of a dummy) :
lolstatscalculator.net at WI. LOL Stats Calculator - Build Calculator for League of Legends
League of Legends Builds by Genetic Algorithm - LoLSolved
Surrender at 20: Mokulu's Champion Build Simulator
League of Legends Builds by Genetic Algorithm - LoLSolved
موضوع تطعيم رخيص viktor champion gg - moitruongkaito.com
League of Legends Perfect Build Calculator - YouTube
League Of Legends Builds Calculator – Profile – Welcome to the forum, this is not a DIY site, this site was created for users from all over the world to post their
League of Legends Builds by Genetic Algorithm - LoLSolved
GitHub - SuperJugy/lolbuilds: An application to manage your League of Legends Builds.
League of Legends Builds by Genetic Algorithm - LoLSolved
League of Legends Builds by Genetic Algorithm - LoLSolved
League of Legends Items Builder - LoLRift
League of Legends build calculator - Imgur
League of Legends Builds by Genetic Algorithm - LoLSolved
Planner tools are hard to find :: League of Legends (LoL) Forum on MOBAFire