Kill all of Zac's bloblets when he splits apart to stop him from reforming.
Silences, stuns, roots and knockups will all interrupt Zac when he is charging Elastic Slingshot.
Zac heals from the goo that separates from him. You can crush the goo pieces by stepping on them.
The stat comparisons provided here show some critical Senna vs. Zac counter statistics that may help you realize the differences and similarities between this set of champions. As an example, Senna’s KDA ratio ([kills + assists] / deaths) of NaN is better than Zac’s KDA ratio of NaN, indicating that Senna may be more central to her team's team fighting capacity than Zac..
Senna often has a similar longest killing spree as her foe does. On average, she receives less damage than Zac. This typically indicates differing health capacities, yet it can also show that the champ with increased health has less mobility and thus is unable to kite away from further damage when engaged or poked.
Both League of Legends champs are great champions. Both have their strengths, weaknesses, and counters. In League's current meta, Senna usually fairs equally well when playing against Zac, with a 49.9% win rate. As a result, Senna makes an ok counter to Zac.
While Senna does have a lower winrate compared to Zac, when they face off with one another, Senna also has a lower difficulty level that makes her a less difficult champion to learn. You should be careful when picking Senna into Zacas her relative depth means you may not be able to unleash her full potential without a lot of practice beforehand.
Moreover, Senna also has a good amount of CC and other utility, a similar amount to Zac. This makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there is not one best champion for every situation in League of Legends, in Senna vs Zac matchups, Zac is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allied champions during team fights.
Senna is a somewhat poor counter for Zac. You will do well by focussing your strategy on keeping up your gold and cs and clearing objectives. If you are able to do that, you should do very well as Senna against Zac.
To learn all of the intricacies of Senna to counter Zac during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you mind the build and tips displayed here, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Senna usually racks up a similar amount of CS as Zac. Champs who on average don't take many minion kills typically don't require much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually require many items to be effective. In either case, try to do better than the values shown on this page to do well.
The ideal items to use in your Senna versus Zac build include Infinity Edge, Rapid Firecannon, and Bloodsong. When Senna combined at least these three items in her build, she performed a lot better when fighting Zac than with many other typical builds. In fact, Senna boasted an average win rate of 49.9% battling Zac with these items in her kit.
To have the highest chance of defeating Zac as Senna, Senna players should equip the Fleet Footwork, Presence of Mind, Legend: Alacrity, Cut Down, Bone Plating, and Revitalize runes from the Precision and Resolve rune sets. Out of all the rune combinations players chose for Senna vs Zac counterpicks, this composite of runes resulted in the highest win rate. In fact, these runes gave a 49.9% win rate overall.
If you need to view Senna versus Zac tips and builds for a a particular division, please select one from the selection menu displayed above. At first, the stats and guides displayed are calculated using all matches finished with both champs.