To progress in Anime Champions Simulator, players need to assemble a team of strong characters. However, most of the best units are of high rarity. Cosmic Summons are the rarest and most desirable characters in this custom Roblox experience. This is not surprising, since they have enormous power especially after upgrades. You should be prepared to spend quite a bit of time getting these units. This guide will detail how to get Cosmic Summons in Anime Champions Simulator.