The Zac build for Jungle is Radiant Virtue and Aftershock. This LoL Zac guide for Jungle at Platinum+ on 13.19 includes runes, items, skill order, and counters.
51.7%
(-1.0%)
36.1%
(-0.5%)
3.4%
(+0.1%)
2.0%
(-0.0%)
574
(+1)