Tip
Swallow Sett with [W] when he is using (W). Although you will be damaged, you can buy enough time for his shield to disappear and thus gain the upper hand in combat. Use [Q] to reduce his health before closing in to fight him.
Tahm Kench vs Sett

Swallow Sett with [W] when he is using (W). Although you will be damaged, you can buy enough time for his shield to disappear and thus gain the upper hand in combat. Use [Q] to reduce his health before closing in to fight him.