Try to knock enemies back into your towers with Explosive Cask.
Try to combo Body Slam with Explosive Cask to set up kills for your team.
The damage reduction from Drunken Rage is applied when you start drinking, try to use it when you see damage coming your way.
Rengar's passive enables him to leap out of brush, so avoid fighting him when near bushes.
Rengar puts an indicator over the nearest enemy champion when he is camouflaged during his ultimate.
Rengar gains an empowered ability when his resource bar is full. Try to confront him when it's low.
The stat comparisons shown here highlight some critical Gragas against Rengar counter stats that may help you realize the distinctions between the two. As an example, Gragas’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Rengar’s KDA ratio of NaN, demonstrating that Gragas may be more central to his team's team fighting capacity than Rengar..
Gragas often has a slightly smaller longest kill spree than his matchup does. On average, he receives less damage than Rengar. This typically indicates differing health capacities, but it can also imply that the one champ has less agility and thus is unable to kite away from additional harm when poked or engaged.
Both League champs are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Gragas usually loses when taking on Rengar, with a 46.5% win rate. Thus, Gragas makes a poor counter for Rengar.
While Gragas does have a lower win rate compared to Rengar, when they face off with one another, Gragas also has a lower difficulty level that makes him a less complex champ to develop with. You should expect to face a difficult match when picking Gragas into Rengar.
Moreover, Gragas also has a good amount of utility and CC, a similar amount to Rengar. This makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not one best champion in League of Legends, in Gragas vs Rengar matchups, Rengar is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your teammates during teamfights.
Gragas is a terribly counter for Rengar. You will do well by focussing your tactics on keeping up your gold income and destroying objectives. If you do that, you should do very well as Gragas against Rengar.
If you would like to learn all of the intricacies of Gragas in order to counter Rengar during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you pay attention to the build and stats presented above, you should grow your win rate by a lot and be closer to League of Legends pro players.
Gragas most often picks up more CS as Rengar. Champions who on average don't earn much CS usualy don't need much CS to be valuable teammates, such as support champions. These kinds of champions 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 need many items to be effective. In either situation, try to surpass the values shown on this page to do well.
The ideal items to focus on in your Gragas versus Rengar build include Hextech Rocketbelt, Shadowflame, and Stormsurge. When Gragas combined at least these three items in his build, he did significantly better when fighting Rengar than with most other commonly used item sets. In fact, Gragas boasted an average winrate of 46.5% battling Rengar with these items in his kit.
To have the highest likelihood of vanquishing Rengar as Gragas, Gragas players should use the Electrocute, Sudden Impact, Eyeball Collection, Ultimate Hunter, Gathering Storm, and Transcendence runes from the Domination and Sorcery rune sets. Out of all the rune sets players chose for Gragas vs Rengar matchups, this mix of runes yielded the highest win rate. Notably, these runes provided a 46.5% winrate overall.
If you would like to get Gragas vs Rengar tips and counter stats for a a specific skill level, feel free to choose one from the selection menu displayed above. By default, the statistics and build suggestions shown are computed using every game with data with these champs.