Riven Mid Lane is ranked A Tier and has a 60.81% win rate in LoL Ultimate Spellbook Patch 11.24. We've analyzed 5427 Riven Mid Lane games to compile our statistical Riven Spellbook Build Guide. For items, our build recommends: Ionian Boots of Lucidity, Goredrinker, Youmuu's Ghostblade, Black Cleaver, Ravenous Hydra, and Death's Dance. For runes, the strongest choice is Precision (Primary) with Conqueror (Keystone), and Resolve (Secondary). The optimal Summoner Spells for this build are Placeholder and Flash. Starting items should include Pickaxe, Health Potion, and Stealth Ward. Riven's Best Spellbook Mid Lane matchups include Nunu, Pyke, and Qiyana. Riven's Best Spellbook Mid Lane counters are Seraphine, Wukong, and Cassiopeia.