User blog comment:KirbiMiroir/Subspace Emissary Bros./@comment-12498802-20160210175935/@comment-12498802-20160211175410

The only time you can't set the intensity is during Pit's storyline, where the Fiend's Scale is out of balance. During these stages, there is a 92% chance a random intensity between 0.0 and 8.0 will be selected, and an 8% chance of 9.0 being selected.