the Shadow Reaper

Kayn Build

DifficultyHigh

Role

Fighter

Lane

Jungle

Roles and difficulty from the global official site, lane from the China-server official site

Kayn Win Rate, Pick Rate, Ban Rate & Tier

Stats: League of Legends: Wild Rift (China) official stats (All ranks / Diamond+ / Master+ / Challenger / Rift Apex), as of 2026-10-13

JungleJungle
Rank tier	Win Rate	Pick Rate	Ban Rate	Tier
All ranks	54.0%	5.8%#10	1.3%	A
Diamond+	51.2%	6.8%#7	3.0%	A
Master+	51.0%	7.3%#6	3.5%	A
Challenger	50.0%	7.5%#7	4.8%	A
Rift Apex	49.8%	6.9%#5	3.9%	A

The tier list shows Master+ figures by default.

Popular Kayn builds in game

Taken from the in-game loadout screen as of 2026-10-07. The pick count and win rate are shown exactly as the game reports them.

Build 1JungleWin rate 54.58%Picks 5,422

Runes

Build 2JungleWin rate 52.72%Picks 2,583

Runes

Skill Order (Lv 1 - 15)

Ult

Prioritize your main damage skill first, then level the one with the Slow effect.

Kayn Strengths

✓Hard-to-predict gank paths from his wall-walking Skill 3.
✓Flexibility to choose Blue (one-shot) or Red (durable) form to fit the game.
✓Ult lets him enter an enemy's body and become untargetable to avoid lethal damage.

Kayn Weaknesses

×Weak before transforming and loses most early 1v1 duels
×Picking the wrong form for the enemy comp hurts for the whole game
×Few tools to force an engage, and fragile against CC chains

Kayn Early Game

Clear your jungle quickly and gank to deal damage and gather orbs, aiming to transform as early as possible. Go Blue (Shadow Assassin) if the enemy team is squishy, and Red (Darkin) if they have many tanks and fighters.

Kayn Mid Game

Once your transformation completes, your power jumps. As Red, brawl up front as a durable frontliner with knock-ups. As Blue, use wall-walking to one-shot isolated enemy carries.

Kayn Late Game

Blue Kayn ambushes from fog of war at high speed and deletes carries in an instant. Red Kayn brawls in the middle of the enemy team. Even near death, he can Ult into a tank to drain a large amount of HP and recover, and that sustain is his weapon.

Kayn Teamfights

As Blue, never enter from the front. Flank through walls, kill the enemy ADC, and leave right away. As Red, land Skill 2's AoE knock-up where the enemy is clumped, then keep brawling to hold the frontline.

⚠️ Common Mistakes

Choosing a form that does not fit the enemy comp

Going Blue Kayn (Shadow Assassin) into a team full of tanks and fighters is a major mistake, and so is going Red Kayn (Darkin) against a team of squishies. Decide your form during champion select. Then focus your ganks on the lanes whose champions drop the orbs you need.

Kayn Combos

Basic Gank (Rhaast)

Phase through a wall with Skill 3 and land the knock-up from Skill 2. Close in with Skill 1, then heal with Ult when low.

Ult

Assassination Combo (Shadow Assassin)

Rush in through walls, cast Skill 2 and Skill 1 almost together, then execute with Ult.

Ult

Smite

Kayn Skills

Passive

The Darkin Scythe

Kayn the Shadow Assassin fights Rhaast the Darkin Slayer for control.

Damaging ranged champions charges the Shadow Assassin, and damaging melee champions charges the Darkin Slayer. At full charge, Kayn can permanently transform at his base.

Shadow Assassin: If Kayn has not taken damage from enemy champions or used Umbral Trespass for 5 seconds, his attacks and abilities deal an additional 52% magic damage ((Lv)) to enemy champions for 3 seconds.

Darkin Slayer: When dealing damage to enemy champions, Kayn heals for 24% ((Lv)) of the damage dealt.

Skill 1

Reaping Slash

⏳ 6.5s

Dashes and deals 70 physical damage (70 + 60% bonus AD), then spins his scythe to deal the same damage.

Darkin Slayer: Deals 42 (60%AD) plus 7% (+7% + 0.06% bonus AD) of the target's max HP as physical damage instead.

Deals an additional 35 physical damage to minions and monsters.

Details	LVL 1	LVL 2	LVL 3	LVL 4
Cooldown	6.5	6	5.5	5
Base Damage	70	100	130	160
Bonus AD Ratio	60%	65%	70%	75%
Max Monster Damage	235	310	385	460

Skill 2

Blade's Reach

⏳ 12s

Swipes the scythe upward, dealing 105 physical damage (105 + 120% bonus AD) and slowing enemies hit by 90% decaying over 1.5 seconds.

Shadow Assassin: Kayn can move while using this ability and increases its range.

Darkin Slayer: Additionally knocks up enemies hit for 1 second.

Details	LVL 1	LVL 2	LVL 3	LVL 4
Cooldown	12	11	10	9
Cost	50	60	70	80
Base Damage	105	165	225	285

Skill 3

Shadow Step

⏳ 18s

Gains 35% movement speed and can move through terrain for 5 seconds. Kayn restores 100 HP (100 + 50% bonus AD) upon entering terrain for the first time.

Being immobilized or spending more than 1.2 consecutive seconds outside of terrain or in combat with enemy champions ends this ability early.

Shadow Assassin: Gain 75% movement speed instead and become immune to slows. The cooldown is reduced to 7 seconds.

Details	LVL 1	LVL 2	LVL 3	LVL 4
Cooldown	18	16	14	12
Duration	5	5.5	6	6.5
Health	100	120	140	160

Ult

Umbral Trespass

⏳ 80s

Infests an enemy champion for 2.5 seconds, becoming untargetable. When the infestation ends, the target is dealt 200 physical damage (200 + 165% bonus AD).

Re-cast: Ends the infestation early.

Shadow Assassin: Increase this ability's range, the distance Kayn exits, and refreshes The Darkin Scythe's cooldown on exit.

Darkin Slayer: Deals 15% of the target's max HP as physical damage instead (15%+ 0.13% bonus AD) and Kayn heals for 12% (12% +0.1% bonus AD) of the target's max HP.

Details	LVL 1	LVL 2	LVL 3
Cooldown	80	70	60
Base Damage	200	300	400

Kayn Base Stats

League of Legends: Wild Rift (China) official champion library (patch 7.3, as of 2026-09-23), with the official global patch notes applied up to 7.3a

Official ratings

Damage3/3

Survivability2/3

Utility1/3

Difficulty2/3

A three-step guide set by the official champion library. For difficulty, a higher number means harder to play.

Level1

Health630LV15 2422

Mana420LV15 1260

Attack Damage70LV15 126

Armor40LV15 110

Magic Resist36LV15 64

Movement Speed350

Compare with every champion Open the damage calculator at LV1

Critical damage is 200% for every champion. These figures exclude items and runes.

Kayn Patch History

Kayn

Patch 7.2

Adjust

True Shadow Invasion

Reduced the recovery time after exiting a target so that Kayn/Rhaast responds to player input more quickly.
Maximum exit distance — Kayn, Darkin4 → 4.5
Shadow Assassin6 → 6.5

Our take

The lock-up after burrowing into a target is shorter, so Kayn now decides for himself whether to chase or disengage the instant he pops out. Both forms also gain 0.5 of exit distance, which makes it far more realistic to cast in the middle of a teamfight and still land near your own team. The old failure case — using it to survive, only to be surrounded where you reappear — happens much less often.

Kayn

Patch 7.1e

Buff

The Darkin Scythe

Shadow Assassin bonus damage ratio48%~62% → 52%~66%

Blade's Reach

Bonus AD ratio110% → 120%

Our take

Shadow Assassin's bonus damage gains 4%, letting Kayn close out kills faster right after he transforms. His win condition lives in the few minutes after picking a form, so more damage in that window makes the whole plan more reliable. Blade's Reach also climbs from 110% to 120% bonus AD, and the gap widens as his build fills out. Both forms use that ability, so the second buff helps whichever path he takes.