One of the more confounding tidbits is a Greek alpha symbol beside some spells. Red XIII is one of Final Fantasy VII Rebirth's more complex characters. There's a pretty simple explanation for this ...

From the powerful to the downright essential, we rank every available summon in Final Fantasy 7 Rebirth, creating the ultimate summon tier list.

Let’s break down the best of them. Here's every playable character in Final Fantasy 7 Rebirth ranked from worst to best, along with some other interesting info about each one.