Nasus is prone to being kited. Try not to engage him at full Health.
Max rank Wither is a very effective counter to Attack Damage characters, so try to avoid getting caught alone by it.
While transformed by his ultimate, Nasus is stronger than most champions in the League. Engage him only if you have a clear advantage.
The stats shown here underscore some vital Rell vs. Nasus matchup statistics that may help us explain the differences between the two. For instance, Rell’s KDA ratio ([kills + assists] / deaths) of NaN is better than Nasus’s ratio of NaN, indicating that Rell may be more central to her team's team fighting potential than Nasus. This observation is largely a result of the differences in assists.
Rell often has a significantly smaller longest kill spree than her foe does. On average, she takes less damage than Nasus. This typically indicates different amounts of tankyness; however, it can also show that the one champ has less agility and thus is not able to kite away from additional damage when poked or engaged.
Both LoL champions are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Rell usually fairs equally well when taking on Nasus, with a 50.5% win rate. Thus, Rell makes an ok counter to Nasus.
While Rell does have a higher winrate compared to Nasus, when facing one another, Rell also has a much lower level of difficulty that makes her a less challenging champion to develop with. You still need to be cautious when picking Rell into Nasus.
Moreover, Rell has a great amount of CC and other utility, a similar amount to Nasus. This makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Rell vs Nasus matchups, Rell 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.
Rell is a decent counter to Nasus. You will do well by focussing your strategy on maximizing your CS and taking out objectives. If you do that, you should hold your own as Rell against Nasus.
To truly master Rell to counter Nasus during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra tricks and insights into this matchup. If you listen to the build and tips presented above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Rell on average accumulates a lot less CS relative to Nasus. Champs who on average don't get much CS often don't need much CS to be effective, such as sup champs. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically require several high cost items to be effective. In either situation, try to surpass the numbers reported on this page to do well.
The top items to have in your Rell versus Nasus build include Zeke's Convergence, Locket of the Iron Solari, and Celestial Opposition. When Rell used at least these three pieces in her build, she performed a lot better vs. Nasus than with many other commonly used item sets. In fact, Rell boasted an average win rate of 50.5% when countering Nasus with these items in her kit.
To have the greatest chance of vanquishing Nasus as Rell, you should take the Glacial Augment, Hextech Flashtraption, Minion Dematerializer, Cosmic Insight, Bone Plating, and Unflinching runes from the Inspiration and Resolve rune sets. Of all the runes players picked for Rell vs Nasus face-offs, this combination of runes resulted in the highest win rate. Notably, these runes provided a 50.5% winrate overall.
By default, tips, statistics, and builds on how to beat Nasus as Rell are displayed for all ranked divisions combined. To narrow the statistics and builds to a specific rank, you should use the selection menu earlier on the page.