Riven lacks a source of healing or strong defense and must compensate with burst combos. Lead into fights with Broken Wings and Ki Burst, while using Valor to escape and absorb counter-harass.
Riven's Broken Wings locks onto the champion your cursor is over at the time of cast. If you want to move past your opponent, make sure that your cursor is past your opponent as well.
The stat comparisons provided here show several influential Riven vs. Senna counter statistics that may help you understand the differences between the pair. For instance, Riven’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Senna’s ratio of NaN, showing that Riven may be more central to her team's team fighting capability than Senna..
Riven often has a slightly larger longest kill spree than her opponent does. Commonly, she receives more damage than Senna. This is usually reflective of different amounts of tankyness, yet it can also indicate that the champion with higher health has less mobility and thus is unable to flee from additional damage when engaged or poked.
Both League champions are great. Both have their pros and cons. In League's current meta, Riven usually fairs equally well when facing off against Senna, with a 49.7% win rate. Thus, Riven makes an ok counter to Senna.
While Riven does have a lower win rate than Senna, when on opposite teams, Riven also has a greater level of difficulty that makes her a more challenging champ to develop with. You should be careful when picking Riven into Sennaas her relative depth means you may not be able to unleash her full potential without a significant amount of practice beforehand.
Additionally, Riven has some amount of CC and other utility, a similar amount to Senna. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Riven vs Senna matchups, Senna is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your allies during late stage team fights.
Riven is a somewhat poor counter for Senna. Focus your play on increasing your gold and cs and taking out objectives. If you can do that, you should be able to stand on your own as Riven against Senna.
If you would like to truly master Riven to counter Senna 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 pay attention to the build and stats displayed here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Riven usually picks up more CS relative to Senna. Champs who typically don't acquire much CS usualy don't have to have much CS to be effective, such as sup champs. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often need a lot of items to be effective. In either case, try to exceed the numbers shown on this page to do well.
The best items to use in your Riven versus Senna build consist of Sundered Sky, Eclipse, and Profane Hydra. When Riven incorporated at least these three pieces in her build, she did much better when facing Senna than with many other common counter builds. In fact, Riven had an average winrate of 49.7% when countering Senna with this build.
To have the highest chance of defeating Senna as Riven, you should take the Conqueror, Triumph, Legend: Alacrity, Last Stand, Transcendence, and Nimbus Cloak runes from the Precision and Sorcery rune sets. Of all the rune sets players chose for Riven vs Senna counter picks, this combo of runes resulted in the greatest win rate. Notably, these runes provided a 49.7% winrate overall.
By default, tips, statistics, and builds on how to beat Senna as Riven are displayed for all skill levels combined. If you would like to scope the statistics and builds to a distinct skill level, you should use the selection menu earlier on the page.