I like always having access to the top 4 elemental (water, wind, fire, earth) fusions (Vain Splash, Giga Cyclone, Meltdown, Last Quake) without switching personas in Persona 2 Eternal Punishment. What spell cards do I need to use to have all of these fusions available with the Ultimate persona set (Artemis, Astria, Hyperion, Prometheus, Apollo)?
The formula for top elemental spells is
To have access to all of these fusions, your personae need to have 2 of each fire, earth, water and wind spells, with at most 1 pair of complimentary elements on the same persona and at least 1 spell being of maha (group) variety.
The Ultimate personae have the following elemental spells:
That's 0 water, 1 wind, 1 earth and 2 fire, thus we need to add 2 water, 1 wind and 1 earth. To satisfy the above criteria, we must imbue the following spells to our Ultimate personae:
You can replace 1 maha water with plain water if you are skint, in which case the maha version should go on the character with the least agility.
Apollo doesn't get a spell card because he comes pre-summoned.
Your ability to perform Meltdown and Last Quake will depend on Prometheus getting his earth mutation spells, thus equipping Baofu with luck-increasing items and Mutation gear is very much recommended.
Bonus: Ultimate personae are intrinsically able to perform the interesting Nuclear Crush fusion, which goes as follows:
You will also have access to Storm Nightmare (kills most enemies outright with wind):
And the ever-popular Dragon Cross fusion, the special fusion spell available only to Ultimate personae: