Decrepify can be used to slow down enemies and set them up for Nevermore's stun.
Using Torment on a target is also useful to enhance the damage of your other abilities.
Swain has incredible combo potential, practice timing all your abilities to get the highest damage output.
LoL Swain players will likely find him to be a complex champion to build out properly. You will see that his build varies when he is up against either diversified or homogenous team comps, showing you shouldn't take the same Swain build every game of League of Legends
The best items to include in your champion's build include: Jak'Sho, The Protean, Spirit Visage, and Rylai's Crystal Scepter. Those who included these pieces in their setups had a better win rate than players who utilized other Swain builds. Similarly, if you are fighting a varied enemy team arrangement, you should strongly consider getting yourself the Precision, and Resolve runes. In recent games, he won the largest number of his games when built with these runes.
We calculated our Swain build suggestions by examining 62,479 recently ranked League matches with him selected. We only recommend the highest winrate Swain builds that were used by ranked League players enough times for us to suggest them. With so many rounds in our dataset, we are very confident in our provided builds.