THis guide will show u how to climb from whatever elo u r at to diamond 5 at the very least, note that this is soloQ oriented . i clmibed to diamond 1 using this by literally doing tis lol. ( ANd yes this guide is not complte cause i m lazy , but here r a few key points u need to know when trying to evlove your pony to a horse.
U can choose whether u wanna start at blue or red , though i strongly recommend starting at blue due to the mana regen and CDr, u will be able to spam Q. If u r starting at blue , your route should be start Q lv 1 and BLue > Wolves > Red > Wraiths > gank or wolves again
If u r starting at red your route shoud be Red > wraiths > Blue > White or Gank.

ok i will summarise this in 5 steps ( i m lazy ya ) , but these will be key points
1.) USE E
2.) Run AHEAD of that dude
3.) Knock him back AUTO ATTACK FIRST , then Q >W
4.) IF hes at 2 to 3 bars health Use ghost and KIll ( dont be baited though )
5.) TAX at least 2 waves ( U WANNA CARRY UR WAY OUT )

ok i know there are alot ppl out there that says that hecarim is in the extinct tier , and that there r better champions all around that does the same things as hecarim except better ( Jarvan LV ).
BUT NOOOOOOOOOOO! theres one thing about hecarim that makes him stand out from all the other junglers , IT is that no matter which point in the game u r at , u can be a threat. LIsten me out , even if u r 0/12/1 ( 1 ***its for the lawls ) , u can just use ur ulti ( position it slightly behind the enemy carry ) and Q Q Q Q Q Q Q Q Q W, u deal decent dmg with spirt of the acient lizard alone. see ? u r a horse , not a pony.

PROS:
Strong late game
Snowballs very hards from 1 kill
Strong ganks overall from lv 3 onwards
U CAN peel for ur carries just by positioning ur ult
U r ur team little pony with friendship

CONS:
Yea once u get Counter jungled or invaded , u r basically screwed over ( no worries just try to farm to 3 and tax lanes ez pz)
VERY EXPENSIVE CORE BUILD ( u needa gank alot to be able to afford his core build , well hes aint a regular pony )
VERY WEAK pre 6 and bad duelist

ALWAYS GET A SPIRT OF THE ELDER LIZARD ON HECARIM ,NO MATTER WHAT
THEn u can choose whether u get a sheen or Warden mail as ur second item, if u r winning take sheen , if losing take warden mail.
UR FINAL BUILD SHOULD KINDA LOOK LIKE THIS
LIZARD , RANDUIN , FROZEN HEART , TriNITY ,MECURY BOOTS , SPIRT Visage

AS mention earlier , hecarim is a very underated and strong champion in lower elo , just farm till lv 3 and gank those lanes with enemy passing the half way line , congrats ur on ur way to diamond. Yea , tahts literally all u have to do to climb to plat / diamond . Of couse , u need be a absolute merciless jackass to win , once a enemy laner doent have flash , just stay at his lane until u rekt him another 2 or 3 times.

again i will summarise up , here r the major threats that r jealous of u and will try to make u uselss .
LEE SIN ( Threat lv 10 / 10 )
Yea u shud porlly see him on this list , he deal wayyy more dmg than u early , wayyy for dmg than u mid and he can escape from jsut about anything. Just ward alot more at ur jungle entrance

NuNu ( threat lv 5 /10 )
Nunu is only dangeous for u early , he will easily walk all over ur jungle camps and take them all ( that damm yeti ) , u must ask ur team to fight him off at lv 1 from ur blue

Shaco ( 7 / 10 )
This CLOWN CAN EASILY TROLL U TO THE MAX , when someone plays shaco , its mainly just to piss off ur entire team, and yet shaco has one of the strongest early game out there

UDYR / GODYR ( 3 /10 )
By right Udyr shud be a high threat for u , but why is he only 3 /10 threat zone? 1 minute of slience to feel madstone . Yea since all udyr nowadays jsut literally play madstone and farm , chances r that they wont bother invading , ty trick

EVERYONE ON THE ENTIRE ENEMY TEAM ( 100000000000000 / 10 )
YEa all 5 of the enemy team may decide to invade ur blue or red or wraiths or whatever , this is the most dangerous part , u must run straight to the enemy blue ( BLUE IS MORE IMPORTNT THAN RED EAR:Y ) AND JSUT DO ALL U CAN TO TAKE IT AND RUN OUT OF THRE , IF ur team happens to be with u , try fighting them off ( aim the enemy jungler ) so that the enemy jungler is low and may think twice about the conquest .

THIS GUIDE IS INCOMPLETE YA YA YA I KNOW. but i garan-tee that u will be able to hit plat or diamond ,u jsut need the patientce to play hecarim and learn him , he is not really tier 4 and below like everyone thought , in fact in my opinion , he is actually one of the more unique junglers out there with very high potential at carrying ( yes u just need 1 kill ).