I always wanted to run rainbow teams, but more for memes, like Andro, Dian, Aphrodite, Fire Sol, Frigg sub Atum, Osiris or Joan, Raiko, Snow Raphy, BFM Amon, Gaia AW, sub light Athena, Pluto

Anyway, if you actually want a more practical rainbow team, the units I can think of off the top of my head that are good for rainbow are:
  • Takeminakata as already mentioned - echo burst does not depend on grid; if you're not using her for dmg, you can also use her sword for 2 hit 100% dmg cut instead, making it much easier to keep her alive despite not being able to access defender weapon skills
  • Gaia AW - her defenses work perfectly fine without access to weapon skills, and her 2/6T invulnerability makes it much easier to keep her alive
  • BFM Amon - she buffs 4 elements and her BG gain and dmg cut works on everyone - she is also good if you're running dark main rainbow 'cos of her passive
  • I would argue units like Michael AW and Aether are also good, assuming you can actually keep them alive


It looks like you only have Take out of those though...

Quote Originally Posted by Slashley View Post
You go full weapons on the element that has three Units in it. The other there are there purely for support, NOT for damage.
This, want to re-emphasize that this is the optimal way to go rainbow. Also, in case ppl are not aware of this, to max dmg, you pick a 100%+ eido matching the element of the three units, NOT another Dia U for support - that's how you take full advantage of the different multipliers.

Honestly though, if you have Hraes, I would just focus on your wind grid and mtix some wind himes if you're willing to spend. You can use rainbow in the meantime until your wind grid gets stronger, but rainbow is not a good long-term thing.