The Senna build for Support is Eclipse and Fleet Footwork. This LoL Senna guide for Support at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Enemy Champion
Win Rate
Vel'Koz
2,965 games
Xerath
8,002 games
Zyra
8,093 games
Pyke
7,632 games
Neeko
2,554 games
Lux
13,711 games
Twitch
1,135 games
Brand
4,518 games
Pantheon
2,089 games
Swain
3,677 games
Tahm Kench
1,477 games
Zilean
2,747 games
Seraphine
3,993 games
Ashe
7,241 games
Karma
6,812 games
Morgana
7,320 games
Yuumi
5,257 games
Thresh
14,659 games
Nautilus
10,866 games
Blitzcrank
8,897 games
Bard
6,333 games
Leona
5,341 games
Taric
1,450 games
Nami
7,445 games
Sona
2,932 games
Maokai
1,891 games
Renata Glasc
6,736 games
Soraka
Lulu
8,496 games
Rakan
10,759 games
Shaco
1,633 games
Rell
4,089 games
Janna
7,103 games
Alistar
4,269 games
Braum
2,398 games
Milio
5,874 games