The Senna build for Support is Youmuu's Ghostblade 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
2,308 games
Xerath
6,251 games
Zyra
6,269 games
Neeko
2,023 games
Pyke
6,014 games
Lux
10,702 games
Twitch
898 games
Brand
3,526 games
Pantheon
1,648 games
Swain
2,856 games
Tahm Kench
1,177 games
Seraphine
3,077 games
Zilean
2,130 games
Karma
5,360 games
Ashe
5,745 games
Morgana
5,636 games
Yuumi
4,113 games
Thresh
11,452 games
Nautilus
8,477 games
Bard
4,981 games
Blitzcrank
6,954 games
Leona
4,134 games
Nami
5,769 games
Taric
1,128 games
Sona
2,313 games
Maokai
1,466 games
Renata Glasc
5,371 games
Soraka
5,260 games
Lulu
6,650 games
Shaco
1,245 games
Rakan
8,363 games
Rell
3,214 games
Janna
5,695 games
Alistar
3,341 games
Braum
1,915 games
Milio
4,619 games