Tank
Frontline and damage absorption are needed.
46.5%
Core
Alternatives
Runes
Resolve + Precision, keystone Aftershock.
Spells
Flash + Smite
Skill order
E > W > Q > W > W > R > W > Q > W > Q > R > Q > Q

Champion build
Ranked build for Sejuani: core items, alternatives, runes, spells and skill order from analyzed matches.
Frontline and damage absorption are needed.
Resolve + Precision, keystone Aftershock.
Flash + Smite
E > W > Q > W > W > R > W > Q > W > Q > R > Q > Q
Utility, vision or setup for the team is needed.