The Ashe build for ADC is Trinity Force and Lethal Tempo. This LoL Ashe guide for ADC at Platinum+ on 13.18 includes runes, items, skill order, and counters.
52.7%
(-0.1%)
47.0%
(-0.0%)
14.2%
(-0.3%)
10.3%
(-0.6%)
679
(+3)