What is the best build for Zac Jungle in Patch 16.5?

The optimal Zac Jungle build starts with Doran's Shield and Health Potion. Core items are Sunfire Aegis, Thornmail, Spirit Visage with Plated Steelcaps. Run Flash and Smite as summoner spells.

What runes should I use on Zac Jungle?

Zac Jungle runs Conqueror as the keystone in Precision with Triumph, Legend: Alacrity, and Last Stand. Secondary tree is Domination with Sudden Impact and Treasure Hunter.

Is Zac good in Patch 16.5?

Zac is A tier in Jungle with a 51.1% win rate in Emerald+ ranked games on Patch 16.5, according to OP.GG data. This above-average win rate makes Zac a strong pick.

What are Zac's power spikes in Jungle?

Zac hits a significant power spike when completing Sunfire Aegis. The two-item spike with Sunfire Aegis and Thornmail is when Zac becomes a major threat. Skill priority is Q > W > E, so maxing the primary ability first accelerates early-game power.

When should I pick Zac in ranked?

Zac is a A tier Jungle pick in Patch 16.5 with a 2.7% pick rate. Zac works well as a Tank and Fighter and fits team compositions that need frontline durability.

What summoner spells should I run on Zac Jungle?

The recommended summoner spells for Zac Jungle are Flash and Smite. This is the highest win-rate combination in Emerald+ ranked games on Patch 16.5.

What is Zac's hardest matchup in Jungle?

Xin Zhao is one of the toughest Jungle matchups for Zac. Xin Zhao is S+ tier with a 52.4% win rate. Use Meridian Zero's matchup analysis tool to get detailed trading patterns and win conditions for Zac vs Xin Zhao.

Zac Jungle Guide — Patch 16.5 Builds, Runes & Matchups

Zac is a A tier Jungle champion in League of Legends Patch 16.5 with a 51.1% win rate in Emerald+ ranked games, according to OP.GG data. The optimal Zac build starts with Doran's Shield and Health Potion, with core items being Sunfire Aegis, Thornmail, Spirit Visage and Plated Steelcaps. For runes, run Conqueror from Precision with Domination as the secondary tree. Skill priority is Q > W > E. Zac is best played with Flash and Smite as summoner spells. The most challenging matchup in Jungle is Xin Zhao (S+ tier, 52.4% 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 ShieldHealth Potion

Core Sunfire AegisThornmailSpirit Visage

Boots Plated Steelcaps

Spells FlashSmite

Priority Q > W > E

Expert Tips

Let's Bounce! (R) bounces enemies multiple times and roots on the final bounce. Use it in melee range for all 4 bounces.
Cell Division (passive) re-forms from up to 4 blobs. Never die without at least 2 blobs nearby.
Elastic Slingshot (E) gains range by pulling from terrain. Always initiate from a wall or terrain feature.

Jungle Matchups — Difficulty by Opponent

Opponent	Tier	Difficulty
Xin Zhao	S+	Hard	Analyze →
Briar	S+	Hard	Analyze →
Nocturne	S+	Hard	Analyze →
Naafiri	S+	Hard	Analyze →
Graves	S+	Hard	Analyze →
Lee Sin	S+	Hard	Analyze →
Zyra	S	Hard	Analyze →
Rek'Sai	S	Hard	Analyze →
Bel'Veth	S	Hard	Analyze →
Nunu & Willump	S	Hard	Analyze →
Dr. Mundo	S	Hard	Analyze →
Shen	S	Hard	Analyze →

Runes — Patch 16.5

KeystoneConqueror

Primary TreePrecision

Slot 1Triumph

Slot 2Legend: Alacrity

Slot 3Last Stand

Secondary TreeDomination

Secondary 1Sudden Impact

Secondary 2Treasure Hunter