If you have trouble landing Prismatic Barrier, remember that it returns to you after it reaches max range. Try positioning yourself to hit your allies with its return trip.
Lux has great zone control abilities. Try to set up Lucent Singularity to prevent an enemy's advance or escape.
Lucent Singularity is a great scouting tool. Try throwing it into brush before walking into it to check for ambushes.
Amumu's Despair makes purchasing primarily Health items a risky proposition.
Erratic movement, or hiding behind creep waves can make it difficult for Amumu to instigate a fight with Bandage Toss.
Avoid bunching up with other allies when Amumu has his ultimate available.
The stats shown here underscore some significant Lux vs. Amumu matchup statistics that can help you appreciate the differences between the pair. As an example, Lux’s KDA ratio ([kills + assists] / deaths) of NaN is better than Amumu’s ratio of NaN, highlighting that Lux may be more central to her team's team fighting capacity than Amumu..
Lux typically has a similar longest killing spree as her counter does. Commonly, she receives less damage than Amumu. This is usually reflective of different amounts of tankyness, but it can also indicate that the one champ has less mobility and thus is unable to flee from additional damage when engaged or poked.
Both League of Legends champs are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Lux usually wins when playing against Amumu, with a 51.1% win rate. As a result, Lux makes a good counter to Amumu.
While Lux does have a higher win rate than Amumu, when they face off with one another, Lux also has a greater learning curve that makes her a more challenging champ to pick up and master. You should be careful when picking Lux into Amumu.
Additionally, Lux has a good amount of CC and other utility, a similar amount to Amumu. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't a single best champion in League of Legends, in Lux vs Amumu matchups, Lux is the better champ with a higher win rate, more champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Lux is a decent counter to Amumu. Focus your tactics on increasing your gold and cs and clearing objectives. If you are able to do that, you should hold your own as Lux against Amumu.
If you would like to truly master Lux to counter Amumu 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 suggestions presented above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Lux most often picks up more CS compared to Amumu. Champions who typically don't take many minion kills often don't have to have much CS to be valuable teammates, such as sup champs. They are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically have to have a lot of items to be effective. In either case, try to surpass the numbers displayed here to do well.
The top items to prioritize in your Lux versus Amumu build consist of Cryptbloom, Zaz'Zak's Realmspike, and Luden's Companion. When Lux combined at least these three pieces in her build, she did significantly better against Amumu than with most other typical builds. In fact, Lux had an average win rate of 51.1% battling Amumu with these items in her kit.
To have the best chance of vanquishing Amumu as Lux, you should take the Arcane Comet, Manaflow Band, Transcendence, Gathering Storm, Cheap Shot, and Ultimate Hunter runes from the Sorcery and Domination rune sets. Of all the rune builds players used for Lux vs Amumu matchups, this set of runes resulted in the greatest win rate. Notably, these runes averaged a 51.1% win rate overall.
By default, tips, stats, and builds on how to beat Amumu as Lux are given for all ranked divisions. If you would like to scope the stats and builds to a particular rank, you can use the selection menu earlier on the page.