Evelynn is a powerful jungler with a lot of versatility in terms of builds and playstyles. As a seasoned player who has reached master rank with consistently high win rates (between 80% and 90%+) and played her in high-level games (including GM and challenger), I want to share my preferred build, as well as some popular builds and some off-meta builds that can still be effective.

Below is an example of one of my cool winrate Evelynn accounts:

Evelynn is a strong assassin with many benefits as a jungler. Some of the pros of playing Evelynn include:

Great assassin: Evelynn excels at taking out enemy champions quickly and efficiently, especially when she can catch them off guard.

Instant one shots: With the right items and team support, Evelynn can dish out massive amounts of damage in a single burst, taking out enemies before they even know what hit them.

Stealth outplays: Evelynn's stealth ability allows her to set up surprising and unexpected ganks, making her a formidable opponent in the jungle.

Insane solo carry potential: If she can get ahead, Evelynn has the potential to single-handedly carry games with her powerful damage output and team fight presence.

Solo playmaker: Evelynn's stealth and mobility make her a great solo playmaker, able to make plays and create openings for her team.

Good looking champ: Evelynn has a sleek and attractive design, making her a favorite among many mains.

Might visit you in your dreams.

However, there are also some cons to consider when playing Evelynn:

Very bad vs MR: Evelynn can struggle against champions with high magic resist, as her damage is primarily magic-based.

Squishy: Evelynn has low base defenses, making her vulnerable to enemy damage.

Using ult as escape makes you pretty useless afterwards: Evelynn's ultimate ability, Last Caress, can be used as an escape tool, but using it in this way can leave her vulnerable and unable to engage in fights for a while.

Weak early game: Evelynn has a weak early game, making it important for her to get ahead through successful ganks and objective control.

Needs to snowball: Evelynn relies on getting ahead in order to be effective, so she needs to be able to snowball her lead into later stages of the game.

Doesn't duel well without a lead: Without a significant advantage, Evelynn can struggle in 1-on-1 fights and duels.

Unique playstyle: Evelynn's stealth and mobility make her a unique champion to play, requiring a different playstyle than some other champions.

One of the most effective jungle paths for Evelynn is a full clear starting with a buff. This allows you to maximize your gold and experience gain, and gives you the opportunity to gank lanes early on. However, there are a few alternatives to this path that can be useful in certain situations. Below is an example leashless clear which I did first try in practice tool. I recommend that you try to get as close as possible to times like these on your clears at least.
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Starting on raptors or wolves and full clearing can give you a faster level 5 and more gold on your first base. This can be pretty good versus champs you want to hide your path against, it's pretty good vs both invaders and champs that don't do much early. Versus Bel'veth for example this is a way to get guaranteed level 5 and sorc boots for a dragon fight at 5-6 minutes. This clear will have you stuck farming for a while and with lower hp though so ganks might be harder to come by.

Reverse clearing is another alternative that can be useful for avoiding invades. This involves starting at your buff and working your way backwards through the camps, finishing at your gankable lanes.

As you rank up and become more comfortable with Evelynn, you may want to consider incorporating a 3 camp clear into your pathing repertoire. This involves clearing three of the camps on your side of the jungle before heading to your gankable lanes. While this can be a more advanced technique, it can be useful in certain matchups where you want to pressure the enemy laners and jungle early on.

In general, I recommend having a main clear that you use in most matchups, and then adding in variations like reverse clearing or 3 camp clearing when necessary. For example, you might full clear against most champions, reverse clear against Graves, and 3 camp clear when you have a Qiyana mid. Experiment with different pathing options and see what works best for you!

Welcome to this guide on building Evelynn!

Your item core should always include some combination of Sorcerer's Shoes, a mythic, and Mejai's Soulstealer (or a Mejai's replacement item). I highly recommend opting for Mejai's, as it provides a significant boost to your damage output and helps you snowball even harder.

After your item core, your main damage options are Rabadon's Deathcap, Void Staff, and Banshee's Veil. Rabadon's is your go-to choice for even more raw power, while Void Staff is a necessary pick against heavy magic resist. Banshee's Veil is a great choice for protecting your Mejai stacks and making champions with annoying crowd control more killable(think Lux, Vayne, Syndra, Sona, Morgana, ...).

For your fourth and fifth items, you have a few options. You can go for the item you didn't pick up earlier (e.g. if you went Rabadon's third, you might want to consider Void Staff or Banshee's Veil fourth), or you can go for Lich Bane if you want to boost your mobility and burst damage. I recommend pairing Banshee's Veil third with Void Staff or Rabadon's Deathcap fourth, Rabadon's Deathcap third with Void Staff, Banshee, or Lich Bane fourth, and Void Staff third with Rabadon's Deathcap fourth. Experiment with different combinations and see what works best for you!

Evelynn's game plan can be broken down into four phases: early game (levels 1-6), late-early game (levels 6-11), mid game (levels 11-16), and late game (levels 16+). Here's what you should focus on in each phase:

Early game (levels 1-6): During the early game, your main priorities should be taking free ganks and clearing as much of the jungle as possible. This will help you hit level 6 as soon as possible and avoid falling behind. At this stage, you should also be optimizing your clears, ganks, items, and bases.

Late-early game (levels 6-11): In the late-early game, you should be using your stealth and ultimate ability to gank, make plays, skirmish, and invade. This is a good time to build a big lead, especially with your power spike at mythic, Sorcerer's Shoes, and Mejai's Soulstealer with stacks. However, it's important to still maintain good farm and make use of your ultimate whenever it's available.

Mid game (levels 11-16): Once you reach level 11 and have your core items, it's time to go crazy and run around the map, collecting kills and abusing your strength. You should also start contesting dragons at the second or third dragon in most games, and start taking barons when you have your third item.

Late game (levels 16+): In the late game, your focus should be on closing out the game. This might involve macro play, picking off enemies, or taking barons. The key is to be consistent and make sure you don't throw your lead.

Overall, your general idea when playing Evelynn should be to survive the early game, snowball your lead, accelerate your power spike, and be consistent in the late game. With this approach, you'll be well on your way to victory!

Here is a summary of the main points covered in the guide text:

Evelynn is a powerful assassin with instant one-shot potential and great solo carry potential. She excels at making plays and taking control of the game, but can struggle against champions with high magic resist and has a weak early game.
The core items for Evelynn include a combination of Sorcs, Mythic, and Mejai or a Mejai replacement, with Rabadons, Void Staff, and Banshee being popular follow-up choices. Depending on the situation, you may also want to consider building Lich Bane or situational items.
There are several jungle paths you can take as Evelynn, including a full clear, a reverse clear, and a 3 camp clear. The path you choose should depend on the matchup and the game situation.
In the early game, focus on clearing camps and taking free ganks to get ahead in levels and items. In the late-early game, use your stealth and ultimate to make plays, skirmish, invade, and build a lead. In the mid and late game, focus on closing out the game by contesting objectives, picking off enemies, and controlling the map.
To play Evelynn effectively, it's important to make the most of her stealth and mobility, coordinate with your team, and adapt your playstyle based on the situation. By following these tips, you should be able to effectively carry games and make a big impact as Evelynn.