How to Build Rengar
Before reading this look at my match history as Rengar. Okay your build should always be Skirmishes Sabre with Warriors, Ravenous Hydra, Trinity Force, Boots of Swiftnes with Alacrity, BoTRK( for high health targets), and last whisper or BT whichever you like better. Then your jungle route should be no matter what. Start Krugs no matter what smite them and use first health pot. GO for razorbeaks and use health pots while getting your 5th point for empowered. Use empowered Q after taking out the first little guy. Then go back to red buff and focuse big guy and use empowered Q and smite it for more health. Then go to wolves and take those. This should be a pretty good guide for most new players. If you want more information add me in game my ign is NaturesMayhem and I have mastered Rengar.