<Snipped quote by Turboshitter>
I'd ask that they appear as a suit of armor. Even Personas that appear more than simple figures standing behind the character (for example Makoto's Johana motorcycle) are still complete physical beings.
If that’s your final decision as GM then I’m cool with it either way. Though if I may explain myself/make one small counter-argument, while it’s true that Johanna is a physical being that Makoto more or less just rides on the back of, the Necronomicon is basically a vehicle. Futaba is inside it at all times, so it kind of blurs the line a bit between entity and object? I dunno, that’s my thinking.
Either way, I’ll have it manifest as an empty suit of armor rather than a wearable one if you think that’s more appropriate. I just really like that picture and thought I’d try to stay true to it.