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Kayn Build Guide by KebabGames

Jungle [10.21] Guide to Kayn, the Shadow Reaper (Red and Blue)

By KebabGames | Updated on October 14, 2020
848 Votes
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Runes: Shadow Assassin

1 2 3
Dark Harvest
Sudden Impact
Eyeball Collection
Relentless Hunter

Nimbus Cloak
Gathering Storm

+9 Adaptive (5.4 AD or 9 AP)
+9 Adaptive (5.4 AD or 9 AP)
+6 Armor


1 2
Ordinary spells
LoL Summoner Spell: Flash


LoL Summoner Spell: Smite


LeagueSpy Logo
Jungle Role
Ranked #19 in
Jungle Role
Win 53%
Get More Stats

Threats & Synergies

Threats Synergies
Extreme Major Even Minor Tiny
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None Low Ok Strong Ideal
Extreme Threats
Ideal Synergies

Champion Build Guide

[10.21] Guide to Kayn, the Shadow Reaper (Red and Blue)

By KebabGames
Shadow Assassin or Rhaast (darkin)
If you are new to this champ it can be quite difficult knowing when to pick which form. Some tips you can follow are the following:

1. Pick shadow assassin if they have 3 or more ranged characters. There are some exceptions with champions like urgot where you would rather play as Rhaast. Same thing goes for Rhaast but with melees instead.

2. Do they have more squishies or tanks? More squishies = Shadow Assassin, Rhaast/darkin = more tanks.

3. End the game quick? Pick Shadow Assassin. He is very strong in the mid game and has a lot of carry potential. The games lasts longer in low elo which is why Rhaast might be better at times (people doesn't know how to end). But I would say that the two options above are better.

4. Do the enemy have a treath that only you can deal with, pick the form that suits the best in that situation. Most of the times you should know which form to pick while in champ select.
New Kayn Changes Back to Top
Under this chapter, I will be discussing buffs, nerfs, and changes and how they affect Kayn.


Made orb gain rate a little higher over time, and a small buff towards base Kayn and Shadow Assassin by increasing the W's slow by 10%. These buffs aren't going to affect his place in the meta by a lot, but hey, a Kayn buff is always welcome.


Dropped with another Kayn buff! This change increases the orb gain rate at 10-13 minutes by 15%. This buff isn't all that useful since most of the time, you will already have your form by the 10 minute mark. But in some scenarios where ganking isn't possible, late skirmishes can give your form much easier!
The new Death's Dance is here, and will probably be very useful on Rhaast!


HUGE changes came this patch. His Q's bonus damage applies on to minions, his Q cooldown got reduced, and his W's slow got increased to a 90% de(kayn)ing slow. His Q cd buff will increase his clear speed, and fighting. The slow will be good allround, and his Q bonus damage might be enough to push him into a top- or midlaner.


Ah... Rhaast's passive healing got nerfed by a tiny amount. Since you most of the time go death's dance, conqueror, and ravenous hunter, it really won't affect all that much.


Rhaast got indirectly nerfed this patch with the conqueror nerfs. The keystone is still good but it is weaker than before, it won't affect him too much.
Pathing Back to Top
The new XP changes in the jungle gave us more options for pathing. You can get lvl 3 from different ways now.

Recommended clear:
Raptors -> Golems -> Red -> Blue -> Scuttle -> Gromp -> Wolves -> Raptors -> Golems -> Recall
This path gives you level 5 and about 1300 gold, which lets you buy Stalker's blade (blue smite), long sword, and boots.

Examples on fast lvl 3 paths:
1. Red -> Blue -> Gromp (or Blue -> Gromp -> Red)
2. Blue -> Gromp -> Wolves
3. (Red side clear) Red -> Raptors/Golems -> Golems/Raptors

Examples on other paths:

Red (leash) -> Golems -> Raptors -> Wolves -> Blue -> Scuttle crab or gromp

Raptors (no leash) -> Red -> Golems -> recall and buy machette or long sword -> Wolves -> Blue -> Gromp or Scuttle crab

Wolves -> Raptors -> Red -> Golems -> Recall -> Blue -> Gromp/Scuttle -> Gank or Invade
Pros/Cons Back to Top
Good clear
Good sustain
Ultimate and his mobility helps to dodge abilities
Strong with either form
Can choose if you want an assassin or a tank/bruiser
God tier ganks with his E
Good late game
Hyper carry
Bad at contesting scuttle
Not the best in early duels
Weak early game
Almost guaranteed that the enemy will get the first drake
Rhaast is kinda bad without black cleaver
Bad if behind
Mana issues
Needs items to be strong
If you can't get form before 13 min he struggles if not ahead
Wait 4 min if you get wrong form
Ganking Back to Top
Ganking as Kayn is one of the things I like the most about this champion. Other junglers can gank from a limited ways, Rek'Sai can gank from a couple more, but Kayn can gank from literally anywhere thanks to his E Shadow Step. This is one of the core things you have to learn if you are planning to main Kayn.

A couple of paths you can take to gank lanes are the following: if you are planning to gank top and you are on the blue side you can use the baron pit as a start with your gank. It often guarantee a flash or a kill since the enemy often wards the brushes and not the pit. If you are on the red side you can be across the river (right where the blast cone is located) and gank from there. These things are the same on the bot side but with the dragon pit if you are on the red side and the "blast cone area" if you are on the blue side.
Remember, hitting your w is very important in the earlier ganks of the game since it slows the enemies hit. You can also very easily tower dive if you have level 6 and good teammates of course.
Tips And Tricks Back to Top


Transforming into either Rhaast or Shadow Assassin gives you the homeguard speed buff, therefor you should transform near the nexus turrets (you will be able to travel further).
When you take your red or blue buff you can leach it out a little bit and then use your Q in to the wall where the buff is. Since hitting a bigger wall will not make your champ dash as far but will still deal the damage. This will help you clear it faster and take less damage from it.
One of the most important things I see a lot of Kayn players do is not knowing how to use their Shadow Step correctly. If you are clearing camps you can use it to gain some hp and get around the map quicker. You can use it from the raptor camp to your blue or wolves if you go through one of the mid towers. But if you are stealing the enemy's camp or taking the scuttle crab save your Shadow Step so that you can escape if they come. Kayn is weak at dueling and you should there for save your Shadow Step when you counter jungle.After you finish your red buff and golems, use your Shadow Step to get to other camps faster and heal. When you do your raptors you should be level 2 and have your Reaping Slash and Shadow Stepunlocked. Auto attack one of the smaller first and then use your Reaping Slash on every raptor so you hit with both the dash and spin. Then leach them around in circles so you don't take any damage from them. When your Q Reaping Slashhas come up again, use it on the whole camp and only the big raptor should be alive.
If you are engaging an enemy you can use your R Umbral Trespass to dodge an ability that deals a lot of damage or stun you. You can also use it to catch a faster enemy like Rammus or Hecarim with Blade's Reach or Smite and then your ultimate. This works best if you are shadow assassin since it gives your ultimate more range.
Your utlimate is probably your most important abiliy as shadow assassin. Although it doesn't deal a lot of damage (if you are not fed), it is still very helpful when you engage in teamfights since it gives you that important untargetbility and the helpful dash/exit.
Keep in mind that when you use your ultimate, and your other abilities are on cooldown, you can wait before you exit your target. Umbral Trespass let's your ability recharge a whole 2,5 seconds before you exit the target.
Example (shadow assassin): E through a wall into the enemy backline, do your combo (W + auto + Q. If the target didn't die by your combo you can ult them. Otherwise smite another enemy and ult them if needed. Have your ultimate for the whole duration and then your E will be back up and you have an escape tool.
Summary Back to Top
Kayn is a very fun and different champion that I recommend you give a try. I have been a Kayn main since his release and still haven't got tired after playing him. This was my first guide I have ever done and it has been really fun. I hope it helped you and that you enjoy playing Kayn as much as I do.
If you found this guide useful you can always upvote it or leave a comment!

Shoutout Pontus ajajaj
League of Legends Build Guide Author KebabGames
KebabGames Kayn Guide
[10.21] Guide to Kayn, the Shadow Reaper (Red and Blue)
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