Highest win % ARAM Fiddlestick
Core items (ideal build)
Completed items in win rate order
How to use the guide
For the best success, adapt the core build by building the other items in the "items by win rate" category based on your team composition and the composition of the enemy team. For example, if every enemy is a tank, you may want to build Liandry's earlier on. If you are being bursted quickly whenever you ult, get Zhonya's. If you are being chased down, get Swifties and Rylais. If they are building lots of MR, get Void Staff. If you are going to go over 40% CDR, get Sorcerer's shoes instead of CDR boots.
There are many considerations, but having an ideal build and a lost of items in win rate order should help you choose more quickly in the middle of an ARAM game.