Sylas has a powerful laning phase with strong trading potential. Avoid trading with him at closer ranges as much as possible.
Sylas most important ability in the early game is his
as it is his main engage tool and allows him to proc Aftershock. It has a big cooldown, so avoid it and harass him whenever it's down.
Sylas will look to wear you down by poking you with his
whenever you go for CS. Make sure to stay out of its range or CS whenever its on cooldown.
Sylas is able to stay in fights for long thanks to his W- which heals him and increases the heal whenever he is low. Applying Grievous wounds to him will hurt his longevity in fights and make him easier to deal with.
Sylas will be looking for Ults to steal in fights. Keep track of whose
he has stolen and prepare for it.
Sylas usually runs Aftershock, so he is reliant on procing it with his
. Avoiding his
in fights will make him a much squishier and easier target to deal with.
Sylas is very strong in the early parts of the game and will look to abuse that strength to its fullest. Don't let Sylas gain a lead in the early game as he will fall off later on.
Sylas becomes a powerhouse when he finishes Protobelt. Avoid letting him engage onto you with the extra dash.
Sylas needs to steal enemies Ults to remain strong after level 6. Abuse him whenever he has a weaker ult or no ult at all.