Here’s my theory. I believe there’s 2 stands involved, The Head Doctors and Toorus. The head doctors stand is able to create illusions of himself, the real head doctor is the one we probably saw at the lecture thing. Then Toorus stand is the one we’ve seen in the stairwell and lambo, the stand...
I dunno just saying maybe Josuke can use the New Rokakaka to fully heal Yasuho, they won’t merge like what happened to kira and Kujo, instead that’s the new power of the rokakaka to fully heal someone