What is the best build for Cassiopeia Top Lane in Patch 16.5?

The optimal Cassiopeia Top Lane build starts with Doran's Ring and Health Potion. Core items are Luden's Companion, Shadowflame, Rabadon's Deathcap with Sorcerer's Shoes. Run Flash and Teleport as summoner spells.

What runes should I use on Cassiopeia Top Lane?

Cassiopeia Top Lane runs Arcane Comet as the keystone in Sorcery with Manaflow Band, Transcendence, and Scorch. Secondary tree is Inspiration with Biscuit Delivery and Cosmic Insight.

Is Cassiopeia good in Patch 16.5?

Cassiopeia is C tier in Top Lane with a 49.5% win rate in Emerald+ ranked games on Patch 16.5, according to OP.GG data. Cassiopeia is a solid, balanced pick.

What are Cassiopeia's power spikes in Top Lane?

Cassiopeia hits a significant power spike when completing Luden's Companion. The two-item spike with Luden's Companion and Shadowflame is when Cassiopeia becomes a major threat. Skill priority is Q > W > E, so maxing the primary ability first accelerates early-game power.

When should I pick Cassiopeia in ranked?

Cassiopeia is a C tier Top Lane pick in Patch 16.5 with a 0.6% pick rate. Cassiopeia works well as a Mage and fits team compositions that need magic damage and zone control.

What summoner spells should I run on Cassiopeia Top Lane?

The recommended summoner spells for Cassiopeia Top Lane are Flash and Teleport. This is the highest win-rate combination in Emerald+ ranked games on Patch 16.5.

What is Cassiopeia's hardest matchup in Top Lane?

Anivia is one of the toughest Top Lane matchups for Cassiopeia. Anivia is S+ tier with a 55.3% win rate. Use Meridian Zero's matchup analysis tool to get detailed trading patterns and win conditions for Cassiopeia vs Anivia.

Cassiopeia Top Lane Guide — Patch 16.5 Builds, Runes & Matchups

Cassiopeia is a C tier Top Lane champion in League of Legends Patch 16.5 with a 49.5% win rate in Emerald+ ranked games, according to OP.GG data. The optimal Cassiopeia build starts with Doran's Ring and Health Potion, with core items being Luden's Companion, Shadowflame, Rabadon's Deathcap and Sorcerer's Shoes. For runes, run Arcane Comet from Sorcery with Inspiration as the secondary tree. Skill priority is Q > W > E. Cassiopeia is best played with Flash and Teleport as summoner spells. The most challenging matchup in Top Lane is Anivia (S+ tier, 55.3% win rate).

Source: OP.GG Emerald+ ranked data, Patch 16.5 · Last updated: March 2026 · Meridian Zero Analytics

Best Build — Patch 16.5

Start Doran's RingHealth Potion

Core Luden's CompanionShadowflameRabadon's Deathcap

Boots Sorcerer's Shoes

Spells FlashTeleport

Priority Q > W > E

Expert Tips

Poison is required for twin fang to heal. Never use E without Q or W first.
Play for sustained fights; your DPS spikes as the fight goes longer. Avoid short all-ins.
Your ult turns enemies facing you — always enter the fight from in front of them and Q-R instantly.

Top Lane Matchups — Difficulty by Opponent

Opponent	Tier	Difficulty
Anivia	S+	Hard	Analyze →
Shen	S+	Hard	Analyze →
Kayle	S+	Hard	Analyze →
Garen	S+	Hard	Analyze →
Ornn	S+	Hard	Analyze →
Malphite	S+	Hard	Analyze →
Irelia	S+	Hard	Analyze →
Renekton	S+	Hard	Analyze →
Aatrox	S+	Hard	Analyze →
Vayne	S	Hard	Analyze →
Fiora	S	Hard	Analyze →
Camille	S	Hard	Analyze →

Runes — Patch 16.5

KeystoneArcane Comet

Primary TreeSorcery

Slot 1Manaflow Band

Slot 2Transcendence

Slot 3Scorch

Secondary TreeInspiration

Secondary 1Biscuit Delivery

Secondary 2Cosmic Insight