As noted by Dexerto, one small moment in the season 2 finale really ties the whole crow motif together. When a crow at the end opens its eyes and reveals a demonic row of three of them along its head, it's clear that Swain, the Grand General of Noxus, has been keeping an eye on things.

Ambessa has declared war on Piltover after the betrayal of Caitlyn. At the end of act two, Warwick mauled Rictus, and Singed informed her that they couldn’t save the Noxian as his injuries were too severe. In response, she picks up Rictus’ iconic weapon to take out the Kaenic Rookern runes and wrap it around her arms to use later.

Arcane has officially come to an end – here's how the animated Netflix show wrapped up Vi and Jinx's story, and potentially sets up future League of Legends projects.