It's quite easy to understand which compositions are currently dominating the Convergence. Take three Assassins, add a bunch of Electric champions, and wait peacefully until you find Zed. That's it.
Following the introduction of Senna, the Shadows started to contest them, but it just felt like nothing was able to stand against a full built Nocturne.
The following changes try to harmonize these two archetypes — but you might have noticed that none of them are targeting either Poison or Glacial. It means a lot: while Electric Assassins and Shadow Inferno Summoners/Rangers will be heavily impacted by these tweaks, Poison Glacial Predators will take back their crown.