The Sion build for Top is Heartsteel and Grasp of the Undying. This LoL Sion guide for Top at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Sion Counters
49.8%
(-0.7%)
50.8%
(+3.1%)
5.3%
(+0.9%)
2.3%
(-0.6%)
800
(+11)
