Umbreon Weakness Pokemon GO — Raid Guide and Best Counters February 2021 Here's how to take down Umbreon in Pokemon GO Raids. Pokemon GO. This coincides with the new Valentine’s Day event which is starting to roll out around the world. Some of the new Pokemon currently involved in raids include Gardevoir, Umbreon and Alomomola. While many of these Pokemon have been featured in raids multiple times before, new Mega Evolutions and moves are being released regularly, and therefore the meta often changes. With that in mind, let’s see if Umbreon has any Weakness in Pokemon GO and look at the best counters to take it down.