Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum damage.
If you're in a lane against ranged players, leveling up Meditate can allow you to stay in the lane longer and gain levels faster than they will.
Try using Alpha Strike on a minion in front of an enemy champion so you are placed at a safe distance at the end of the spell.
Wuju Style is very strong early for last hitting minions.
The Cassiopeia Master Yi synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Master Yi, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Cassiopeia sees a large worsening in her KDA (ratio of kills and assists to deaths) when paired with Master Yi. His KDA worsened from NaN to NaN. This drop shows that Master Yi helps Cassiopeia perform not as well in ranked League rounds. Yet, the small difference proves that this performance change is only marginal.
When Cassiopeia is an ally to Master Yi, she sees a little drop in her complete damage dealt. This difference could demonstrate that Master Yi does not provide protection for her to deal more damage or that his allyship also helps extend the round's duration. Similarly, when Cassiopeia is played alongside Master Yi on the same team, he usually scores many fewer killing sprees than when she plays on his own. This is contrasting evidence that she is worse when playing synergisticly with Master Yi.
Moreover, when Cassiopeia plays with Master Yi on the same team, she usually receives a little less damage than when she fights alone. Receiving not as much damage may mean that Master Yi does a decent job of protecting Cassiopeia in team fights.
There is no one best companion for Cassiopeia that will 100% of the time be her #1 synergy. However, overall, Master Yi is a very typical companion for Cassiopeia. By playing on the same side as Cassiopeia, he raises their win rate by 0.5% to 50.8%. This proves that there is only a small strategic relationship between Cassiopeia and Master Yi that results in them performing better together than alone.
Master Yi has a much lower diffuclty than Cassiopeia. That means Cassiopeia players don't need to be very careful when lining up Master Yi comrades to go into battle on the same side as, as they will have to have a much lower level of skill to be able to play well with you.
Playing alongside, you will likely see an overall large increase in your team’s ability to destroy wih physical damage. When paired, these two can provide a great amount of sustained physical damage.
Although, by aligning Cassiopeia and Master Yi together, you may not be giving your other teammates enough tankyness. We recommend you have other champions on your team that fills this hole in this pairing's abilities.
Regardless of the skill of your Master Yi teammate, you need to focus on maximizing your gold income, outlasting your enemies, and clearing objectives. If you heed this simple advice, you will do well, regardless.
To truly master Cassiopeia in order to synergize with Master Yi during both the laning and mid / late game phases of League of Legends, you should continue reading to master a few extra lessons on this champion pairing. If you listen to the build and suggestions displayed here, you will grow your win rate significantly.
The most important finished items to focus on in your Cassiopeia and Master Yi synergy build include Cosmic Drive, Liandry's Torment, and Rod of Ages. When Cassiopeia used at least these three pieces in her build, she did a lot better when paired up with Master Yi than with many other commonly used item sets. In fact, Cassiopeia boasted an average win rate of 50.8% when playing alongside Master Yi with this build.
To have the greatest probability of crushing your oponents, you should equip the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Of all the rune sets players chose for Cassiopeia and Master Yi pairings, this blending of runes yielded the greatest win rate. In fact, these runes averaged a 50.8% win rate overall.
By default, tips, stats, and builds on how to pair Master Yi with Cassiopeia are given for all skill levels combined. To narrow the statistics and builds to a distinct rank, you can use the selection menu earlier in the counter matchup guide.