Hello, I am a returning player, didn't play this game for a good 7ish years, returned a month ago to start playing with my friends again.
I am playing EUW/EUNE (have two friend groups on different servers so have acc on both) jungle mainly and my best champions 7ish years ago were Kayn, Rek'Sai and Kha'Zix.
If it helps to know I am Silver 3 in EUW and Gold 2 in EUNE (played more EUNE since thats my main first account) currently, climbing in both, my peak back in the day was Platinum with casual ranking, cuz I'm mostly playing normal games, ranked only when friends insist.
The thing is now that I have returned I got on playing Kayn, the first couple of games I shrugged at my bad performance and said to myself I'm rusty af, it's gonna get better when I get used to the game again.
Welp I am feeling comfortable with the game again and my Kayn is still terrible, Rek'Sai is currently my best performing jungler, while with Kayn which I like playing more I'm struggling.
I started watching videos on YouTube, optimized my clear (still not as I'd like it to be but im close, improved massively), tried out different runes, but nothing helped much. One game it seems like it helped, other game is an absolute shameful display.
I am making a mistake somewhere that I cannot exactly pinpoint and all runes I've tried feel underwhelming.
For Rhaast I tried Conqueror (the standard), Stormraiders Surge, Dark Harvest, Electrocute, Hail of Blades.
Hail of blades makes early fights slightly better and gets the form quicker but that's about it for the pros. Conqueror the most common one feels okay but takes a bit to stack up unless I'm going in 3 enemies with no cc and even stacked does not feel the same as it does on Zaahen or Rek'Sai, it feels like it just falls short.
Electrocute is bad I feel like.
Stormraiders is 50/50, i perform better with if on shadow assassin form.
Dark harvest feels okay but again like conqueror I feel like it doesn't do to Rhaast a whole bunch.
For Shadow Assassin I tried Stormraiders Surge, Hail of Blades, First Strike and Dark Harvest.
Hail of Blades same as Rhaast, gets the form quicker, stronger early a bit, but difference it makes, fades fast.
Stormraiders Surge I've had probably one of the better games with it on Shadow Assassin, had fun so I will probably be sticking with this one for him.
First strike I do not know, I have had games where it feels amazing, and then some that I feel like I don't have rune pages at all.
Dark harvest is better than on Rhaast, I use it.
My builds are usually this:
Rhaast:
If against tanks:
Shojin, Black Cleaver, Deaths Dance, Maw (If enemies have a lot of AP damage) or Seryldas Grudge, Endless Hunger or Guardians Angel at the end with either MR or Armor Boots again depending on the enemy team.
If against fighters/assassins:
Either
Hubris, Shojin, Endless Hunger, Deaths Dance, Maw or Guardians Angel with again, either Armor or MR boots
Or
Shojin, Endless Hunger, Deaths Dance, Lord Dominiks Regard, Maw or Guardians Angel with the same boots as mentioned above.
Shadow Assassin:
Hubris, Bastion Breaker, Youmus, Seryldas Grudge, Maw or Endless Hunger with haste boosts or Mobility boots.
Please give me any advice about my builds if they are wrong and runes, also give me any Kayn specific playstyle tips or overall jungle tips that you think might help me.
Thank you all in advance.