Cassiopeia Build Guides, Runes and Items

If you're looking for the best rune build for Cassiopeia we've got you covered. Below you can find the best items and runes to build for Cassiopeia, as determined by calculations of thousands of Plat+ League of Legends games. If you are already familiar with how to play Cassiopeia this is a great resource to quickly get a good rune selection for Patch 13.11. However, if you are a new Cassiopeia player we highly recommend reading through some of the guides above to learn why this build is strong on Cassiopeia!

Learn Cassiopeia's counters and discover matchups where they have an advantage! When you're starting a game of League of Legends you should always keep in mind if you'll be at an advantage or disadvantage against your opponent, so you can know whether to bully them or play safe. You can find detailed breakdowns of each matchup on CounterStats, and you can also check out some Cassiopeia guides to see how to build and play against other champions you may find yourself up against!

This counter data is for Cassiopeia Mid in Plat+ games. The percent shown is the enemy champion's counter rating against Cassiopeia. Counter rating is our own statistic that factors in counter kills, overall kills, early lead ratio, comeback ratio, and win percent to give the whole picture of that champion's effectiveness as a counter pick.