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.
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 stat comparisons shown on this page show some strategic Riven against Amumu matchup statistics that may help you interpret the differences and similarities between the pair. For instance, Riven’s KDA ratio ([kills + assists] / deaths) of NaN is more than Amumu’s KDA ratio of NaN, demonstrating that Riven may be more central to her team's team fighting capacity than Amumu..
Riven usually has a slightly larger longest kill spree than her opponent does. Commonly, she receives less damage than Amumu. This often reflects different amounts of tankyness; however, it can also indicate that the one champion has less agility and thus is unable to escape additional damage when poked or engaged.
Both League of Legends champs are great. Both have their strengths, weaknesses, and counters. In League's current meta, Riven usually fairs equally well when taking on Amumu, with a 49.2% win rate. Therefore, Riven makes an ok counter for Amumu.
While Riven does have a lower win rate compared to Amumu, when they face off with one another, Riven also has a much greater difficulty level that makes her a more complex champ to pick up and master. You should be careful when picking Riven into Amumuas her relative depth means you may not be able to reach her full potential without a significant amount of practice beforehand.
Furthermore, Riven also has some amount of utility and CC, a similar amount to Amumu. This makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Riven vs Amumu matchups, Amumu is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Riven is a somewhat poor counter to Amumu. Make sure you focus your strategy on keeping up your gold and cs and taking out objectives. If you do that, you should hold your own as Riven against Amumu.
If you would like to learn all of the intricacies of Riven in order to counter Amumu during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you mind the build and suggestions displayed above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Riven on average picks up much more CS relative to Amumu. Champions who typically don't acquire many minion kills usualy don't require much CS to be valuable teammates, such as sup champs. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often have to have many items to be effective. In either situation, try to do better than the numbers reported on this page to do well.
The ideal items to use in your Riven versus Amumu build include Black Cleaver, Sundered Sky, and Eclipse. When Riven combined at least these three pieces in her build, she performed a lot better vs. Amumu than with most other typical counter builds. In fact, Riven boasted an average winrate of 49.2% when countering Amumu with this counter build.
To have the highest chance of annihilating Amumu as Riven, Riven players should take the Conqueror, Triumph, Legend: Tenacity, Last Stand, Nimbus Cloak, and Transcendence runes from the Precision and Sorcery rune sets. Out of all the rune builds players chose for Riven vs Amumu counters, this blending of runes resulted in the greatest win rate. Moreover, these runes gave a 49.2% winrate overall.
By default, tips, stats, and builds on how to beat Amumu as Riven are given for all skill levels combined. If you would like to filter the stats and builds to a particular skill level, you can use the selection menu earlier on the page.