The Zac build for Jungle is Jak'Sho, The Protean and Aftershock. This LoL Zac guide for Jungle at Platinum+ on 13.18 includes runes, items, skill order, and counters.
52.7%
(+1.1%)
36.6%
(+0.2%)
3.2%
(-0.3%)
2.1%
(-0.4%)
573
(+2)