Hisoka didn't use everything. Many readers expected him to use Texture Surprise but he didn't. What he showed after his resurrection are applications of his two abilities. if he was unable to do it before, he would have no way to know that he can do that now. We also know that these kind of things are not easy to do under stress.This is down to interpretation imo until Togashi really explains it... But personally I do think that Hisoka received some sort of boost to his Nen after his death. He immediately showed new techniques which would of benefitted him during the fight with Chrollo, and so leads me to believe he was only capable of these things after he revived himself. Such as the recreation of the hand and foot he lost. Using his Nen to ''wrap" Machi up like that was a far higher level of emission we have seen from Hisoka as of yet, normally when he uses an ability like that he has to maintain some sort of connection to the Aura like the thread on Gon's face, this opens up ALOT of new possibilities. The way he used the new foot as a spring was also new, and the way he took out Shalnark in one swift blow like that it almost seemed like he received an overall boost in strength.
He didn't use Emission. He covered Machi with his Bungee Gum when he hugged her. The "recreation" was an application of his two abilities which belong to Transmutation and Conjuration and it's not a real one.
Shape transformation→ Rubber property→ Coating with the Conjuration ability of Texture Surprise and it's done.
Pitou's ability got stronger, but Pitou was dead. Hisoka's ability go stronger while he was dead and that's how it revived him. When he revived that was no longer the case since he is alive. These kind of things only work for the dead, not the living.It's not a new concept by any means, and I've always thought it's related to someone's will and desire to do or achieve something before they die. Both examples we had actually seen of this happening (Pitou and Hisoka) they had a major goal or desire they had to fulfill, Pitou in killing Gon to protect Meruem, and Hisoka's desire to defeat Chrollo and in a broader sense just strong self preservation, also a big difference in Hisoka's case is he actually specifically attempted to do it, which might be a reason for the strength increase.
Camilla seems to of based her whole Hatsu around this idea, made easier by the fact that she is a specialist. It's more then possible that the Cat becomes stronger each time it's used. I also wonder whether the Cat is restricted to attacking the person who killed Camilla, and what happens if the Cat's first attack fails, does it continue to stay around and attack the person who killed her until it can absorb them? Or can it use anyone nearby to ressurect her?
I have a theory that Chrollo also understands this concept alot more then he gave away during the fight with Hisoka, he didn't really explain how he came to know the elder from Meteor that he took Sun and Moon from.. Chrollo's ability requires him to either force the person to fulfill the requirements or he has to actually coerce the person into giving him the info he needs, meaning he would have to actually know this person fairly well, be close to them or at the very least have a conversation with them.
He also didn't tell us how this person died or why they died, or what his connection to them was. We know that for the most part, the abilities in the Bandits Secret are stolen either by tricking people or forcing them to give away, and that they dissapear from the book after the person's death, and we can assume that for all of these abilities Chrollo holds no attachment to the people that owned the abilities originally, like he would for someone like Shalnark for example, or Kortopi.. See where I'm going with this?
I think that if somebody WILLINGLY gives Chrollo their ability and then dies, he retains the ability after they die AND the ability becomes stronger. This is why Sun and Moon didn't dissapear from the book, and also why Togashi included the lines between Chrollo and Shalnark in which he offers to give him Black Voice back but Shalnark DECLINED. It was that particular scene that gave me this whole idea, why would Togashi include that if Shalnark were to die and the ability dissapear anyway? It would be a completely pointless line. This means that ANY member of the Phantom Troupe could give Chrollo their hatsu to use FOREVER before they die.
If it's permanent like this then Camilla can easily become the strongest Nen user ever. She gets killed→ Her cat kills the killer→ She resurrects→ Her aura increase permanently while she is alive, her cat gets stronger as well.
Chrollo is from Meteor City so it's not surprising that he knows that elder. I doubt he stole it without his accord but Chrollo created Skill Hunter with the condition that the ability disappears if the target dies, so giving it willingly shouldn't change this. The Sun & Moon case is an exception because the elder's Nen intensified after death. I am not sure Chrollo was talking about Black Voice to Shalnark there, he said he could give him his phone but no antennas, maybe he did but Sharlnark declined because he said he didn't need it for now. If his targets willingly fulfilled his conditions then Black Voice and Gallery Fake should still be in his book.