Found a cool easter egg on the Piltover map which has a nod to Jhins flavor text, I think.

If you look in the top right, you see it leads off to Ionia, Jhins home as you may know.

There were a couple of names scrawled alongside Ionia, and one caught my eye:

Kashuri

A quick skim through Jhin's flavor text and found out it is actually the armory where he got his weapons from, neat. > Desperate to counter the power of the ninja and Wuju swordsmen, a cabal within the ruling council conspired to secretly free Jhin and turn him into a weapon of terror. Now with access to the Kashuri armories’ new weapons, and nearly unlimited funds, the scale of Khada Jhin’s “performances” has grown.

Anyone out there found anything else cool on the map?