The Kha'Zix build for Jungle is Youmuu's Ghostblade, Serylda's Grudge, and Profane Hydra. This LoL Kha'Zix guide for Jungle at Platinum+ on 14.3 includes runes, items, skill order, and counters.
Kha'Zix Counters
51.6%
(-0.2%)
58.1%
(-0.1%)
7.4%
(-0.8%)
5.4%
714
(-6)