Imaginarium Theater's Fantastical Blessings

It says the Fantastical Blessings will take effect both inside & outside the Imaginarium Theater. Does outside include Spiral Abyss then? If yes, I guess that explains the difficulty of the current Spiral Abyss.

The characters that will be buffed:

The way I don't have all the 5⭐️ opening characters & while I've all the 4⭐️ built, I only use Kuki.