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the Shadow Reaper

Kayn Jungle build & stats

FighterAssassin B 613 games · patch 16.17
Win rate
50.2%
Pick rate
3.2%
Ban rate
1.6%

Recommended build

Chosen by win rate among builds with enough games, from ranked matches of high-elo players on patch 16.17

Solid sample

Start with

Mosstomper Seedling
Mosstomper Seedling
450 g
Health Potion
Health Potion
50 g
58.8% 17 games

Build in this order

Voltaic Cyclosword 1
Voltaic Cyclosword
3,000 g
Black Cleaver 2
Black Cleaver
3,000 g
Death's Dance 3
Death's Dance
3,300 g
9,300 g
75.0% WR 8 games

Boots

Boots of Swiftness
Boots of Swiftness
1,000 g
71.4% 21 games

Runes

Domination Domination + Precision Precision
66.7% WR
33 games · 5% pick
Hail of Blades
Hail of Blades

Gain a large amount of Attack Speed and bonus true damage for the first 3 attacks made against enemy champions.

Sudden Impact Sudden Impact
Sixth Sense Sixth Sense
Treasure Hunter Treasure Hunter
Legend: Haste Legend: Haste
Coup de Grace Coup de Grace
Shards AF AF HP

Summoner spells

Flash Smite 50.6% 573 games

Max order

Reaping Slash Q Blade's Reach W Shadow Step E 55.0% 100 games

Each line is the variant with the best win rate among those played enough times, not simply the most popular one. Win rates are smoothed so a lucky three-game build can't top the list. Sample sizes are shown next to every choice.

Tips for Kayn

Generated from this patch's numbers

  • Kayn wins 50.2% of games as Jungle on patch 16.17 (613 games).
  • Most common core: Voltaic Cyclosword → Black Cleaver → Death's Dance — 75% win rate over 8 games.
  • Take Dark Harvest as keystone: picked in 46% of games with a 49% win rate.
  • Best matchup: Jayce (73% over 11 games). Hardest: Vi (22% over 9 games) — consider a ban or a different pick when you see it.
  • Kayn is an early-game champion: 51% win rate in games under 25 minutes but 42% after 35. Snowball your lead into towers and objectives.

Items

Core build in purchase order (from match timelines)

Core build

Voltaic Cyclosword 1
Voltaic Cyclosword
Black Cleaver 2
Black Cleaver
Death's Dance 3
Death's Dance
75.0% WR
8 games · 1% pick
Voltaic Cyclosword 1
Voltaic Cyclosword
Axiom Arc 2
Axiom Arc
Serylda's Grudge 3
Serylda's Grudge
33.3% WR
6 games · 1% pick
Eclipse 1
Eclipse
Black Cleaver 2
Black Cleaver
Death's Dance 3
Death's Dance
40.0% WR
5 games · 1% pick

Starting items

Gustwalker Hatchling
Gustwalker Hatchling
45.7% WR
35 games · 6% pick
Scorchclaw Pup
Scorchclaw Pup
50.0% WR
30 games · 5% pick
Scorchclaw Pup
Scorchclaw Pup
Health Potion
Health Potion
50.0% WR
26 games · 4% pick

Boots

Ionian Boots of Lucidity
Ionian Boots of Lucidity
53.5% WR
185 games · 30% pick
Mercury's Treads
Mercury's Treads
54.8% WR
115 games · 19% pick
Plated Steelcaps
Plated Steelcaps
50.9% WR
110 games · 18% pick

Legendary items by win rate

ItemWin ratePick
69.2% 8% (52)
60.6% 21% (127)
59.6% 8% (52)
57.4% 15% (94)
56.5% 29% (177)
56.0% 23% (141)
55.0% 18% (111)
52.9% 22% (136)
50.9% 77% (475)
50.4% 18% (113)
49.7% 28% (169)
48.9% 15% (94)

Runes

Most played full pages and keystone win rates

Domination Domination + Inspiration Inspiration
47.7% WR
111 games · 18% pick
Dark Harvest
Dark Harvest

Damaging a low health champion inflicts adaptive damage and harvests a soul from the victim.

Sudden Impact Sudden Impact
Grisly Mementos Grisly Mementos
Treasure Hunter Treasure Hunter
Cosmic Insight Cosmic Insight
Magical Footwear Magical Footwear
Shards AF AF HP
Precision Precision + Sorcery Sorcery
51.6% WR
64 games · 10% pick
Conqueror Triumph Legend: Haste Last Stand Axiom Arcanist Transcendence
Precision Precision + Inspiration Inspiration
56.1% WR
41 games · 7% pick
Conqueror Triumph Legend: Haste Last Stand Cosmic Insight Magical Footwear

Keystones

  • Dark Harvest Dark Harvest Damaging a low health champion inflicts adaptive damage and harvests a soul from the victim. 49.3%46% pick
  • Conqueror Conqueror Gain stacks of adaptive force when attacking enemy champions. After reaching 12 stacks, heal for a portion of damage you deal to champions. 48.4%36% pick
  • Hail of Blades Hail of Blades Gain a large amount of Attack Speed and bonus true damage for the first 3 attacks made against enemy champions. 63.2%9% pick
  • First Strike First Strike When you initiate champion combat, deal 7% extra damage for 3 seconds and gain gold based on damage dealt. 50.0%4% pick

Summoner spells

  • Flash Smite Flash + Smite 50.6%93% pick
  • Smite Ignite Smite + Ignite 45.9%6% pick

Abilities & skill order

Which ability to max first, from match timelines

Reaping Slash Q Blade's Reach W Shadow Step E 55.0%100 games
Blade's Reach W Reaping Slash Q Shadow Step E 42.9%21 games

Most common first three levels: Q → E → W (57%), Q → W → E (46%), Q → E → Q (47%).

  • PThe Darkin Scythe

    Kayn wields an ancient weapon and fights Rhaast, the darkin within it, for control. Either the Darkin will triumph, or Kayn will master Rhaast and become the Shadow Assassin.Darkin: Heal for a percentage of spell damage...

  • QReaping Slash

    Kayn dashes, then slashes. Both deal damage.

  • WBlade's Reach

    Kayn damages and slows targets in a line.

  • EShadow Step

    Kayn can walk through terrain.

  • RUmbral Trespass

    Kayn hides in an enemy's body, dealing massive damage when he bursts out.