What do you think of the concept of "Five Grand Elemental Spirits"? It's circle of spirits that divides in Fire, Thunder, Earth, Rain and Wind. Pretty similar as the Weather Trio or even the Regi Trio.
Shin Megami tensei main franchise, the Persona spin-offs, Etrian Odyssey, Digital Devil Story: Megami Tensei series, Dragon's Crown, Spectral Force 3: Innocent Rage, this list also includes Atlus USA's published games as well.
The dude who listed these codes said that you need to wait 24 hours if a code gives a error. Not sure if it's entirely true but we'll see that tomorrow because I've a code that doesn't work but does work for my friend.