VRC.LOL

Game patch 26.20Data Dragon 16.20.1

Reference patch 16.20.1

Kayn

the Shadow Reaper

Kayn is a burst-focused champion who looks for a reachable priority target and a route back out. This overview keeps the explanation practical and leaves patch-sensitive numbers to Riot's structured data and the current in-game tooltip.

JungleMostly physical damageMelee attacks
Usual roleJungle
ClassFighter · Assassin
DifficultyHigh · 8/10
Basic attacksMeleeMelee basic attacks · 175 range.
Damage profileMostly physical damageMost normal kit pressure is physical. Armour may help, but check whether attacks or abilities are the main source.
Reference patch16.20.1

Strengths and limits

What Kayn does well, and what can go wrong

These are kit-level patterns, not a promise that every lane or matchup plays the same way.

Good patterns

  • Threatens reachable priority targets through burst, mobility or an unusual angle.
  • Combines damage and durability in committed skirmishes or extended exchanges.

Limits to respect

  • A failed commitment can leave no clean exit and little value until cooldowns return.
  • Can be worn down or controlled before reaching the range where the kit is strongest.
  • Basic attacks require close access, so enemy range, slows and displacement can deny a clean trade.

Riot ally tips

Use these while learning the champion
1

Look at the line-up of both your team and the enemy's team when picking your form.

2

Remember that nearby enemies can see which wall you're in.

Riot opponent tips

What an opponent is told to watch for
1

Umbral Trespass requires Kayn to damage a target first. Try to dodge Blade's Reach to deny him a long range cast of Umbral Trespass.

2

When Kayn is in terrain near you, you will get a visual warning on the edge of the terrain he's in.

3

Damage Kayn while he's in Shadow Step to shorten its duration, or apply hard crowd control (stun, charm, knockup, etc) to end Shadow Step immediately.

Source boundaryTip text and kit data come from Riot Data Dragon 16.20.1. VRC.LOL’s strength and limit summaries are independently written.

Practical champion reading

How to read Kayn in a real fight

Use these patterns to ask better questions before choosing an item, target or commitment. They describe the kit, not a guaranteed result.

Damage delivery

Primarily physical pressure

Armour can reduce the broad physical profile. Separate basic attacks from physical abilities before relying on an item passive that only affects attacks.

Fight rhythm

Track the complete ability cycle

Do not judge the champion from one button. Watch which setup, payoff and escape tools are available before choosing a trade or commitment.

Range and access

Needs close access for basic attacks

Range, slows, displacement and terrain can deny the clean contact this champion wants. Plan the route in as carefully as the damage after arrival.

Typical team job

Threaten a reachable priority target

A clean angle matters more than attacking the nearest unit immediately. Keep an exit, reset or follow-up route in mind before committing.

Control check

Identify the exact movement restriction

Tenacity can shorten only eligible control. Displacements, airborne effects and repeated slows need their own positioning, blocking or movement answer.

Protection and sustain

Check whether recovery changes the fight

Anti-heal or anti-shielding is situational. Buy it only when the effect is materially protecting targets and your champion can apply the answer reliably.

Resource pattern

Mana and cooldowns both matter

A spell being available does not mean the complete sequence is sustainable. Watch the resource bar as well as the setup and escape cooldowns.

Read the whole teamThe same champion can create a different problem after changing role, items or allies. Re-check the visible match before committing to a defensive answer.

Defensive item reference

What can help against Kayn?

Start with the threat that is actually affecting the match. These are conditional comparisons, not an automatic counter build.

Pre-game choices
DEFENSIVE BOOTS

Neither pair is automatic

This champion is not cleanly answered by the passive on either defensive pair.

Use Plated Steelcaps for meaningful basic attacks, Mercury's Treads for magic damage or reducible control, or keep the build's normal Boots.
SlowsHealing or sustain
PHYSICAL DEFENCE

Physical defence

Armour · health · role-appropriate defence

Armour can reduce physical damage, but Plated Steelcaps' passive is specific to attacks.

Match the item to attacks, critical strikes or ability burst rather than buying armour from the label alone.
REPEATED SLOWS

Repeated slows

Boots of Swiftness

Slow resistance can be more useful than Tenacity when repeated slowing strength is the main problem.

It gives no armour or magic resistance, so compare the rest of the opposing team.
MEANINGFUL HEALING

Meaningful healing

Bramble Vest or Thornmail · Morellonomicon · Mortal Reminder

A role-appropriate Grievous Wounds item can reduce healing.

Buy it only when healing is materially changing fights and your champion can apply it reliably.
Player decidesChampion identity is a starting point, not an automatic purchase. Compare the full opposing team, current item tooltips and the problem that is actually deciding fights. Never buy two completed pairs of Boots.

Normal Draft and Ranked role map

Where Kayn fits on Summoner's Rift

Each lane is assessed separately. Open a role to reach its queue-specific build and matchup preparation.

TopUnestablished route

Historical reference. Recommendation review pending. Kayn is normally played Jungle and does not currently have a reviewed Top route. Top usually needs independent laning, durable trading or reliable side-lane pressure. Treat this as a deliberate experiment, not a standard recommendation.

Review this role
MidUnestablished route

Historical reference. Recommendation review pending. Kayn is normally played Jungle and does not currently have a reviewed Mid route. Mid usually needs solo-lane safety plus wave control, roaming or reliable burst pressure. Treat this as a deliberate experiment, not a standard recommendation.

Review this role
BotUnestablished route

Historical reference. Recommendation review pending. Kayn is normally played Jungle and does not currently have a reviewed Bot route. Bot usually needs dependable duo-lane scaling and sustained damage with shared early pressure. Treat this as a deliberate experiment, not a standard recommendation.

Review this role
SupportUnestablished route

Historical reference. Recommendation review pending. Kayn is normally played Jungle and does not currently have a reviewed Support route. Support usually needs useful engage, peel or utility while operating on low gold income. Treat this as a deliberate experiment, not a standard recommendation.

Review this role

Kit reference

Kayn abilities

Ability names, descriptions and numeric fields come from Riot Data Dragon. Practical reads are independently written; the current in-game tooltip remains authoritative.

Abilities Data Dragon 16.20.1Cooldown / Cost / Range Data Dragon 16.20.1
P
Passive

The Darkin Scythe

What it doesKayn 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 dealt to champions. Shadow Assassin: For the first few seconds in combat with enemy champions, deal bonus damage.

Practical readThe Darkin Scythe is an automatic part of the kit involving protection or sustain and damage. Track when its condition is active instead of treating every fight the same way.

Q
Q ability

Reaping Slash

What it doesKayn dashes, then slashes. Both deal damage.

Practical readReaping Slash contributes damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

Cooldown7/6.5/6/5.5/5 secCost40Listed range350 units
Movement

The cast changes position or access. Account for where the champion finishes, not only where the ability begins.

W
W ability

Blade's Reach

What it doesKayn damages and slows targets in a line.

Practical readBlade's Reach contributes a slowing effect and damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

Cooldown13/12/11/10/9 secCost40/45/50/55/60Listed range700 units
E
E ability

Shadow Step

What it doesKayn can walk through terrain.

Practical readShadow Step is part of Kayn's E pattern. Read its listed effect first, then track the cooldown and condition that make the next use valuable.

Cooldown21/19/17/15/13 secCost90Listed range400 units
R
Ultimate

Umbral Trespass

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

Practical readUmbral Trespass contributes damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

Cooldown120/100/80 secCost100Listed range550 units

Levels 1–18

Kayn · Health / Mana · Abilities

Base values exclude items, runes, temporary buffs and mode-specific modifiers. Cooldowns are the listed base cooldown before ability haste.

Level 1655 Health410 Mana
Level 3807 Health484 Mana
Level 61,062 Health608 Mana
Level 111,559 Health849 Mana
Level 162,146 Health1,134 Mana
Level 182,406 Health1,260 Mana

Cooldown Data Dragon 16.20.1

Q
Basic abilityReaping Slash

Can receive its first point from level 1. Later ranks normally become available at levels 3, 5, 7 and 9.

Rank 17 secRank 26.5 secRank 36 secRank 45.5 secRank 55 sec
W
Basic abilityBlade's Reach

Can receive its first point from level 1. Later ranks normally become available at levels 3, 5, 7 and 9.

Rank 113 secRank 212 secRank 311 secRank 410 secRank 59 sec
E
Basic abilityShadow Step

Can receive its first point from level 1. Later ranks normally become available at levels 3, 5, 7 and 9.

Rank 121 secRank 219 secRank 317 secRank 415 secRank 513 sec
R
UltimateUmbral Trespass

First rank becomes available at level 6; later ranks normally become available at levels 11 and 16.

Rank 1120 secRank 2100 secRank 380 sec
Open every levelHealth and mana from level 1 to 18
LevelHealthManaAbility milestone
1655410 ManaChoose the first basic ability
2729446 ManaAdd another basic ability or rank
3807484 ManaAdd another basic ability or rank
4888523 ManaSpend one ability point
5973565 ManaSpend one ability point
61,062608 ManaFirst ultimate rank normally available
71,154652 ManaSpend one ability point
81,250699 ManaSpend one ability point
91,349747 ManaSpend one ability point
101,452797 ManaSpend one ability point
111,559849 ManaSecond ultimate rank normally available
121,669902 ManaSpend one ability point
131,783958 ManaSpend one ability point
141,9001,015 ManaSpend one ability point
152,0211,073 ManaSpend one ability point
162,1461,134 ManaFinal ultimate rank normally available
172,2741,196 ManaSpend one ability point
182,4061,260 ManaSpend one ability point
How the numbers are calculatedLevel values use Riot Data Dragon 16.20.1 base and growth statistics with League’s non-linear champion-stat growth curve. Queue starting levels can differ: Normal Draft and Ranked normally begin at level 1, while ARAM and Swiftplay use faster starting rules.

Choose the next question

Turn the profile into a pre-game plan

Choose a queue-aware build, compare a lane opponent, or return to the full champion library.

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