Cassiopeia - League of Legends Champion
Win Rate
51.2%
Pick Rate
0.8%

Cassiopeiavs Ornn

AMage
Patch26.10
Matches2,379,056
LaneAll Lanes
TierAll Tiers
Last UpdatedMay 25, 2026
MethodologyData Methodology

Cassiopeia vs Ornn is a very close matchup in LoL patch 26.10. Cassiopeia wins with a 50.0% win rate (+0.0%) over Ornn based on 6 games. Cassiopeia holds the advantage in both the early and late game. Below you'll find the best Cassiopeia build, runes, laning stats, and strategies for the Cassiopeia vs Ornn matchup.

Cassiopeia Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Cassiopeia performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.

Compare against an opponent
Ornn - 50.0% win rateOrnn(50.0%)
Cassiopeia - 50.0% win rate in this matchup
Cassiopeia
50.0% WR
VS
Ornn vs Cassiopeia matchup - 50.0% win rate
Ornn
50.0% WR

Who Wins the Cassiopeia vs Ornn Matchup?

Cassiopeia wins the Cassiopeia vs Ornn matchup
Winner
Cassiopeia
Matches: 6
50.0%
Win Rate
50.0%
6.8
CS / min
6.3
800
DMG / min
726
10,458
Gold / game
10,953
249
Heal / min
203
660
DMG Mitigated / min
2,156
1.1
CC / min
1.4
50.0%
Early Game WR
50.0%
50.0%
Late Game WR
50.0%

Cassiopeia vs Ornn Matchup Summary

The Cassiopeia vs Ornn matchup is essentially a coin-flip matchup in League of Legends ranked play. Based on 6 recent matches analyzed, Cassiopeia wins with a 50.0% win rate compared to Ornn's 50.0%, giving Cassiopeia a 0.0 percentage point advantage. Cassiopeia holds a slight edge in both the early and late game, but the margins are thin enough that individual skill and jungle attention will often determine the outcome. Ornn can still find windows through outplays and team coordination. The most significant statistical gap is in sustain, where Ornn leads by 1,451 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Cassiopeia has a statistical edge, but the margin is close enough that respecting Ornn's strengths is important. Trade when cooldowns are favorable, track the enemy jungler, and build toward your strongest item spikes to convert the slight advantage into a decisive lead. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Cassiopeia vs Ornn Laning Phase Breakdown

Ornn wins the laning phase against Cassiopeia in League of Legends

Ornn is favored during the laning phase against Cassiopeia, winning 3 out of 5 key stat categories. Ornn holds advantages in gold income, crowd control and sustain, making them the stronger laner in this matchup.

Farming
6.8Cassiopeia
6.3Ornn
Cassiopeia edges out Ornn by 0.5 CS per minute — a moderate farming advantage that adds up to roughly 8 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Cassiopeia.
Damage
800Cassiopeia
726Ornn
Cassiopeia deals 75 more champion damage per minute than Ornn. While noticeable in extended trades, this gap can be offset by Ornn choosing favorable fight windows, such as engaging when Cassiopeia's key abilities are on cooldown or trading immediately after dodging a skillshot.
Economy
10,458Cassiopeia
10,953Ornn
Ornn earns 495 more gold per game than Cassiopeia, equivalent to roughly one additional component item. This economic edge comes from a combination of better farming, kill participation, and objective control, giving Ornn slightly faster item completions.
Utility
1.1Cassiopeia
1.4Ornn
Both Cassiopeia and Ornn provide similar amounts of crowd control (0.3s/min difference), meaning neither has a significant advantage in locking down opponents for ganks or team fights. Lane ganks are equally effective for both sides.
Sustain
909Cassiopeia
2,359Ornn
Ornn vastly out-sustains Cassiopeia, healing and mitigating 1,451 more damage per minute. This massive durability gap means Ornn can absorb significant punishment and remain in lane while Cassiopeia is forced to recall. Building grievous wounds early is essential for Cassiopeia, and focusing on burst trade patterns rather than sustained fights is critical.

Best Cassiopeia Build Against Ornn

Boots of Swiftness is the optimal boots choice against Ornn, providing the mobility and stats Cassiopeia needs most in this matchup. The top-performing core items for Cassiopeia against Ornn are Rod of Ages, Void Staff and Rylai's Crystal Scepter. This combination gives Cassiopeia an effective balance of damage, survivability, and utility for the matchup. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Cassiopeia vs Ornn matchup.

Early Game vs Late Game

Early Game
Cassiopeia
50.0%
+0.0% advantage
Cassiopeia early game win rateCassiopeia50.0%
Ornn early game win rateOrnn50.0%
Late Game
Cassiopeia
50.0%
+0.0% advantage
Cassiopeia late game win rateCassiopeia50.0%
Ornn late game win rateOrnn50.0%

The early game (first 15 minutes) is a toss-up between Cassiopeia and Ornn, with Cassiopeia holding a razor-thin 50.0% win rate edge (+0.0%). Individual skill and jungle proximity will matter more than champion advantage in the early laning phase.

Late game (25+ minutes) is equally balanced, with Cassiopeia at 50.0% win rate — only 0.0 points ahead of Ornn. Team fight execution and macro play determine the winner at this stage, not champion matchup advantage.

This matchup is remarkably even at every stage of the game. Neither Cassiopeia nor Ornn has a phase-specific advantage, making this a pure skill matchup where individual mechanics, decision-making, and team coordination determine the outcome.

Best Cassiopeia Runes Against Ornn

Precision rune tree - Cassiopeia primary runes vs OrnnPrecision
Conqueror - best Cassiopeia rune vs OrnnTriumph - best Cassiopeia rune vs OrnnLegend: Haste - best Cassiopeia rune vs OrnnLast Stand - best Cassiopeia rune vs Ornn
Sorcery rune tree - Cassiopeia secondary runes vs OrnnSorcery
Nimbus Cloak - best Cassiopeia rune vs OrnnCelerity - best Cassiopeia rune vs Ornn
100.0% WR

The Precision primary with Sorcery secondary combination helps Cassiopeia maximize their potential in this closely contested matchup, providing the right mix of offensive and defensive tools to edge out Ornn.


Cassiopeia matchup data for League of Legends patch 26.10. The table below shows Cassiopeia's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Cassiopeia build, runes, laning stats, and early vs late game analysis for that specific matchup.

Cassiopeia matchup win rates and stats in League of Legends patch 26.10
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
46.55%586.482311,86463.6%36.1%
46.81%476.891811,96044.4%48.3%
51.06%476.574611,16357.1%46.1%
37.78%456.986911,13340.9%34.8%
53.49%436.680510,95856.5%50.0%
51.43%356.876712,32077.8%42.3%
26.47%346.276711,33415.4%33.3%
53.13%326.891611,16038.5%63.2%
70.97%316.890213,39363.6%75.0%
54.84%316.176810,21735.7%70.6%
40.00%306.270011,38044.4%38.1%
50.00%306.085711,74435.7%62.5%
55.56%276.577611,55236.4%68.8%
61.54%266.397411,51845.5%73.3%
61.54%266.283510,70972.7%53.3%
42.31%266.385111,68440.0%43.8%
37.50%246.582611,34425.0%43.8%
54.17%246.691611,23538.5%72.7%
45.83%246.869811,75340.0%50.0%
52.17%236.688212,79472.7%33.3%
43.48%236.668310,32050.0%36.4%
42.86%216.383711,13940.0%45.5%
28.57%216.494412,06410.0%45.5%
57.89%197.188111,38866.7%50.0%
52.63%197.380111,76270.0%33.3%
66.67%186.885111,46366.7%66.7%
50.00%186.769311,02533.3%66.7%
61.11%186.51,01113,86980.0%53.9%
68.75%166.891512,42466.7%70.0%
25.00%166.797510,88720.0%33.3%
40.00%156.481212,48240.0%40.0%
46.67%156.688011,31233.3%66.7%
53.33%157.075810,33175.0%28.6%
46.67%155.68379,41857.1%37.5%
60.00%156.777511,88950.0%66.7%
53.33%156.495915,25280.0%40.0%
42.86%146.584314,39960.0%33.3%
42.86%145.699912,81040.0%44.4%
57.14%146.874510,70466.7%40.0%
46.15%136.177311,11675.0%33.3%
46.15%136.275213,06525.0%55.6%
38.46%136.888612,28040.0%37.5%
38.46%136.587112,22925.0%44.4%
46.15%136.367710,36550.0%42.9%
33.33%126.584611,52540.0%28.6%
75.00%126.095312,12566.7%77.8%
33.33%127.188613,28133.3%33.3%
40.00%106.774810,25150.0%33.3%
70.00%106.276013,23466.7%71.4%
40.00%106.695112,29625.0%50.0%
30.00%105.07719,95420.0%40.0%
60.00%106.859610,76260.0%60.0%
33.33%96.66649,94340.0%25.0%
55.56%95.89409,89180.0%25.0%
55.56%96.264312,38675.0%40.0%
37.50%86.593711,12350.0%25.0%
75.00%86.869212,90166.7%80.0%
50.00%87.693613,63150.0%50.0%
62.50%85.073812,673100.0%57.1%
42.86%76.281310,95333.3%50.0%
42.86%76.79509,39650.0%33.3%
28.57%76.091914,773100.0%16.7%
42.86%76.584413,416100.0%33.3%
57.14%77.388712,39066.7%50.0%
57.14%76.783713,61266.7%50.0%
57.14%76.78359,91660.0%50.0%
42.86%74.775111,3020.0%50.0%
42.86%77.097912,94750.0%33.3%
50.00%68.572911,19875.0%0.0%
66.67%66.685711,941100.0%33.3%
50.00%65.41,10610,45266.7%33.3%
33.33%65.194012,71350.0%25.0%
50.00%66.468310,56750.0%50.0%
50.00%67.585610,70466.7%33.3%
50.00%66.01,00311,64566.7%33.3%
50.00%66.678211,7340.0%60.0%
50.00%66.880010,45850.0%50.0%
50.00%66.490011,37166.7%33.3%
80.00%55.91,14210,330100.0%75.0%
80.00%55.81,06412,017100.0%75.0%
20.00%55.86868,91825.0%0.0%
80.00%56.568811,435100.0%0.0%
40.00%57.193713,62933.3%50.0%
60.00%56.695214,593100.0%50.0%
60.00%56.262910,9320.0%100.0%
40.00%56.31,0999,66750.0%33.3%
20.00%53.55436,59525.0%0.0%
60.00%57.81,18313,86166.7%50.0%
60.00%57.797711,450100.0%33.3%
40.00%56.770313,7890.0%50.0%
40.00%56.782711,93250.0%33.3%
60.00%55.986912,342100.0%50.0%
60.00%57.479812,16550.0%66.7%
100.00%57.294613,607100.0%100.0%

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Cassiopeia vs Ornn - Frequently Asked Questions

How does Cassiopeia do against Ornn in League of Legends?

Cassiopeia wins the Cassiopeia vs Ornn matchup with a 50.0% win rate compared to Ornn's 50.0%, a 0.0 percentage point difference. This data is based on 6 recent ranked games in patch 26.10.

How does Cassiopeia do against Ornn in the early game?

In the early game, Cassiopeia has the advantage against Ornn with a 50.0% win rate versus 50.0%. Cassiopeia players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Cassiopeia do against Ornn in the late game?

In the late game, Cassiopeia takes over the Cassiopeia vs Ornn matchup with a 50.0% win rate compared to 50.0%. Cassiopeia scales better into team fights and objective contests after 25 minutes.

Who wins the Cassiopeia vs Ornn matchup?

Cassiopeia wins the matchup against Ornn with a 50.0% win rate in League of Legends patch 26.10. The 0.0 percentage point advantage means Cassiopeia is slightly favored in this lane matchup based on 6 games analyzed.

What is the best Cassiopeia build against Ornn?

The best Cassiopeia build against Ornn includes Rod of Ages, Void Staff, Rylai's Crystal Scepter with Boots of Swiftness. Check the matchup breakdown above for the full item path and build order.

What are the best Cassiopeia runes against Ornn?

The best Cassiopeia runes against Ornn use the Precision primary tree with Sorcery secondary. This rune setup achieves a 100.0% win rate in the Cassiopeia vs Ornn matchup. See the full rune breakdown in the matchup comparison above.

Does Cassiopeia counter Ornn?

Yes, Cassiopeia has a favorable matchup against Ornn with a 50.0% win rate. Cassiopeia slightly edges out Ornn in lane based on current patch 26.10 data.

How do I play Cassiopeia against Ornn?

When playing Cassiopeia against Ornn, leverage your statistical advantages by trading aggressively during favorable windows. You have early game priority — look for kills and zone control before first recall. Build the recommended items and runes for this specific matchup for the best results.