Keeping tunnels spread out across the map will ensure you have choices when you want to cast Void Rush.
Cast Burrow before travelling around the map to take advantage of the increased Move Speed and the safety provided by Tremor Sense.
Tremor Sense can warn you of enemies closing in, and is particularly useful when entering enemy territory.
Taste Their Fear deals bonus damage to targets that are isolated. Gain an advantage by fighting near allied minions, champions, or turrets.
Leap and Void Assault have long cooldowns. Kha'Zix is very vulnerable when these are not available.
The stat comparisons shown on this page emphasize several important Rek'Sai against Kha'Zix counter stats that may help us understand the differences between these two champions. Rek'Sai’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Kha'Zix’s ratio of NaN, demonstrating that Rek'Sai may be more central to his team's team fighting effectiveness than Kha'Zix..
Rek'Sai normally has a similar longest killing spree as his foe does. Typically, he receives a similar amount of damage to Kha'Zix. This typically indicates differing health capacities; however, it can also indicate that the one champ has less agility and thus is unable to escape further damage when engaged or poked.
Both League of Legends champions are great. Both have their pros and cons. In the game's current meta, Rek'Sai usually wins when playing against Kha'Zix, with a 52.8% win rate. Thus, Rek'Sai makes a good counter for Kha'Zix.
While Rek'Sai does have a higher winrate than Kha'Zix, when on opposite teams, Rek'Sai also has a lower level of difficulty that makes him a less complex champion to learn. You don't need to be too worried when picking Rek'Sai into Kha'Zix.
Moreover, Rek'Sai has some amount of utility and CC, a similar amount to Kha'Zix. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not a single best champion overall in League of Legends, in Rek'Sai vs Kha'Zix matchups, Rek'Sai is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your team members during teamfights.
Rek'Sai is a good counter to Kha'Zix. Focus your play on keeping up your gold and cs and destroying objectives. If you can do that, you should do very well as Rek'Sai against Kha'Zix.
To truly master Rek'Sai to counter Kha'Zix during both the early game and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tips and tricks for this matchup. If you pay attention to the build and stats shown above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Rek'Sai usually picks up a similar amount of CS relative to Kha'Zix. Champs who on average don't acquire much CS usualy don't need much CS to be effective, such as supports. These kinds of champions are capable of scaling well off of their abilities 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 surpass the values reported on this page to do well.
The ideal items to prioritize in your Rek'Sai versus Kha'Zix build consist of Sterak's Gage, Black Cleaver, and Titanic Hydra. When Rek'Sai used at least these three items in his build, he performed much better when facing Kha'Zix than with most other common counter builds. In fact, Rek'Sai boasted an average winrate of 52.8% when playing against Kha'Zix with these items in his kit.
To have the highest probability of crushing Kha'Zix as Rek'Sai, you should equip the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Out of all the rune sets players chose for Rek'Sai vs Kha'Zix LoL games, this set of runes resulted in the best win rate. Notably, these runes gave a 52.8% winrate overall.
By default, tips, stats, and builds on how to beat Kha'Zix as Rek'Sai are presented for all ranked divisions combined. If you want to narrow the stats and builds to a particular division, you can use the selection menu earlier on the page.