I have a minor nitpick with the Soul of Terraria myself. The way the Shroomite Enchantment's stealth is applied (i.e. automatically via standing still) kinda ruins the "awesomeness" of your character, namely because you can't even SEE them. Unless you're moving all the time, that is. I'd kinda prefer Vortex armor's stealth function as one of the Soul's "upgraded" enchantments, although three different double tap functions
might be a bit much.
Although, from an earlier post, I believe Fargo said the Vortex set effect would be difficult to implement... Maybe having the Shroomite effect toggleable?