Vel'Koz has fairly low mobility and is vulnerable to ganks.
Vel'Koz is very dangerous if left alone in a fight. Try to focus him down early.
Life Form Disintegration Ray can be interrupted by stuns, silences and knockups.
The stats shown on this page highlight some valuable Senna against Vel'Koz matchup stats that can help us distinguish the distinctions between the pair. As an example, Senna’s KDA ratio ([kills + assists] / deaths) of NaN is better than Vel'Koz’s KDA ratio of NaN, indicating that Senna may be more central to her team's team fighting capability than Vel'Koz..
Senna often has a similar longest killing spree as her foe does. On average, she takes a similar amount of damage to Vel'Koz. This often reflects differing health capacities, yet it can also imply that the champ with more health has less mobility and thus is unable to flee from further damage when poked or engaged.
Both League champs are great champions. Both have their pros and cons. In the game's current meta, Senna usually fairs equally well when playing against Vel'Koz, with a 50.5% win rate. Therefore, Senna makes an ok counter to Vel'Koz.
While Senna does have a higher win rate than Vel'Koz, when they face off with one another, Senna also has a lower learning curve that makes her a less complex champion to pick up and master. You should be careful when picking Senna into Vel'Kozas her relative depth means you may not be able to reach her full potential without a significant amount of practice beforehand.
Moreover, Senna has a good amount of utility and CC, a similar amount to Vel'Koz. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't one best champion overall in League of Legends, in Senna vs Vel'Koz matchups, Senna is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Senna is a decent counter to Vel'Koz. Focus your actions on keeping up your CS and destroying objectives. If you do that, you should hold your own as Senna against Vel'Koz.
If you would like to truly master Senna in order to counter Vel'Koz during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you listen to the build and tips shown above, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Senna most often gets a similar amount of CS compared to Vel'Koz. Champs who on average don't acquire much CS usualy don't require much CS to be valuable teammates, such as sup champs. These kinds of champions are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need many items to be effective. In either situation, try to surpass the values shown on this page to do well.
The best items to use in your Senna versus Vel'Koz build include Rapid Firecannon, Youmuu's Ghostblade, and Umbral Glaive. When Senna bought at least these three items in her build, she did significantly better when facing Vel'Koz than with most other common builds. In fact, Senna had an average win rate of 50.5% battling Vel'Koz with this build.
To have the greatest likelihood of beating Vel'Koz as Senna, you should take 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 runes we have analyed for Senna vs Vel'Koz matchups, this combination of runes resulted in the best win rate. Moreover, these runes gave a 50.5% win rate overall.
If you would like to view Senna vs Vel'Koz tips and matchup stats and build suggestions for a a distinct player tier, feel free to select one from the selection menu shown above. By default, the stats and strategies displayed are calculated using all matches with data with both champs.