Hello im Fedthjelm and i play in bronze, which means this guide aint gonna do a lot for the high elo players since i have no idea how it is to play higher than silver, and i was a Ivern main back then, so i wouldn't trust myself if i gotta be honest.
I made this guide for fun, and hope others will have tons of fun with the build. Its a build i like for climbing, and dont find it super hard to play with since it works for me.

Who dont like a lane bully? I do no doubt cause i like to be the one that gives the slaps instead of being slapped to hell everytime i go away from jungling to a lane.
Illaoi is very hard to play against in low elo, cause a lot of my fellow low elo players don't know what to do, when u meet the slapster. So that often results in a slapsgiving.
If u are okay with high ban rates in low elo, and love a lane bully most opponents dont know how to counter, this is your girl the slapster.

Its pretty easy to Illaoi if you get a little tips and tricks on the way, since this build is made to be unkillable with ult. So what you got to remember during laning phase is when you are strong, and that is at level 3 and 6, that is where you will try to make a play. When you hit level 3 i like to look at the minion wave, make sure it aint too big, and then go in with the slam W with tentacles of course. Even my bronze fingers can land a E after the slap with W. Now we got the party going, this means money. With the first strike you can really generate some extra gold with some good W/E combos.
Level 6 is pretty easy to. If u feel dangerous you go push your lane, wait for the enemy jungler to come running and then bang. You go mad slapsgiving mode throwing everything you got at them. So when you landed that sweet sweet W/E combo you are ready for slapsgiving. They 2 poor enemies goes close to your girl, but you dont care cause you got some extra in the tank and that is the glorious ult. When its popped i myself use to hit my head against the keyboard and usually that brings me to a double kill(Noice).

So actually they ain't mine big shoutout to the high elo guys, who knows what they are doing. They made Illaoi the happy slapping money machine with these runes. The part of this guide is to get use of it in low elo, since i dont think these guides always are made for low elo players, since it can be super hard to follow and understand.

Teamfighting my friends is what we all live and breathe for in low elo. Its aram time your 20 minutes into the game, mid went 0/15 and calling "Jungle diff". Dont worry my friend its slapsgiving time. So you have your 2 items because you slapped top so hard their mother cant even recognize their poor bodies(good job buddy). This is where this build is so nice since you can grab a E and wait for them to come, then pop that sweet sweet ult and that is how you get your first penta my friend.