The Milio build for Support is Shurelya's Battlesong, Ardent Censer, and Moonstone Renewer. This LoL Milio guide for Support at Platinum+ on 14.3 includes runes, items, skill order, and counters.
Milio Counters
Miliowinslane against...
Win Rate
Matchup Rate
Alistar
1311 Matches
1.5%
Rakan
2422 Matches
2.8%
Rell
1167 Matches
1.4%
Renata Glasc
914 Matches
1.1%
Soraka
1573 Matches
1.8%
Shaco
822 Matches
1.0%
Lulu
2847 Matches
3.3%
Blitzcrank
3445 Matches
4.0%
Milioloseslane against...
Senna
4924 Matches
5.7%
Xerath
1557 Matches
Vel'Koz
750 Matches
0.9%
Brand
1655 Matches
1.9%
Zilean
945 Matches
Hwei
1262 Matches
Zyra
3682 Matches
4.3%
Swain
1099 Matches
1.3%
Pyke
3208 Matches
3.7%
Bard
2855 Matches
Lux
3327 Matches
3.9%
Neeko
754 Matches
Karma
4925 Matches
Pantheon
980 Matches
Morgana
2171 Matches
2.5%
Yuumi
1839 Matches
2.1%
Ashe
2084 Matches
2.4%
Taric
502 Matches
0.6%
Leona
2367 Matches
Nami
4187 Matches
4.9%
Seraphine
1172 Matches
Nautilus
3368 Matches
Sona
1312 Matches
Maokai
6522 Matches
7.6%
Braum
1035 Matches
1.2%
Thresh
3585 Matches
4.2%
Janna
3849 Matches
4.5%