Ploegy
"The arcana is the means by which all is revealed"
It may not need to be deep but making it deep makes it a lot more fun for me at leastAwesome!
It doesn't even have to be deep in regards to the corruption. At that point, should that scenario happen, the SSBs are taken completely by surprise and blasted head-on by the pure essences of Fear, Sorrow, Anger, and Ego. Pit falling to Ego would make sense, but I think it'd be more heartwrenching if he succumbed to Sorrow instead. Anger sounds predictable for Samus, but what if instead she becomes completely apathetic? Isabelle or Pyra, two of the kindest people on the roster, are consumed by Ego and they're shouting cruel words at the other fighters and each other!
In regards to the actual search for the Pillars, oh yeah, some Fighters will naturally be more resilient to the effects of a Pillar than others! Interpretations can also vary. For example, Dark Pit, being the manifestation of Pit's repressed feelings, could possibly have a hard time with resisting Anger, OR, perhaps because he is a manifestation of anger himself and he owns and accepts that, Anger's aura doesn't faze him! In other words, his anger is pure!
"Yeah, I get angry, so what?"
I want y'all to get creative with the pillars!
With the Ghost Ship I'll demonstrate what happens to a Smash Brother, or any other powerful entity, that succumbs to a Pillar of Destruction. >;3c Hopefully that will give you guys some inspiration!