So when is Sylas getting the nerfs? in 6 or maybe 8 months ? like Akali?

His cooldown is contingent on what ults are available to steal and the last time he stole them. It itself is not low at all. If he steals a 320 second cooldown ult, his cooldown on it will be 335 seconds.

The "9 Second" cooldown is only after level 16, and only to his OWN cooldown, not to his access to the ones he steals. Even if he has a 9 second self cooldown, that still is more accurately represented by the 45-50 second cooldowns of his opponents'

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7 sec cooldown is hella misleading. Yes, its extremely low, but he's a squishy engage AP burst champ, the chances of him getting more than 1 ult off in team fight is hella low. And that's on top of the fact that certain comps make Sylas irrelevant (Nid, Illaoi, yasuo, taric, and Jhin; a perfectly normal comp, would give him hella crappy ults). His ult is so conditional that it needs to be a low cooldow; though i will agree its probably a little too low

If it is abusable competitive will find it and abuse it.