[1] This was the second time this has happened with any of the Darren Shan books, possibly initiated by the recent popularity increase in the author's works.
Dervish is dying and only has a short amount time left to live, but he and Grubbs take it in their normal humorous stride.
Grubbs takes his body into the open air and begins the slow, painful process of digging his uncle's grave.
He has been having a reoccurring dream of Bec in Lord Loss's kingdom, and in one of his torture chambers he sees Bo Kooniart.
They remove the dirt and go into the tunnel and the second cave with the lodestone after Kernel tells Grubbs this might be exactly what Bec and Lord Loss want them to do.
They carry on and Grubbs destroys the lodestone by throwing it at the cave wall and grinding the other pieces together and into the ground until nothing of it remains.
Kernel sets to work on his eyes while the others relax, then Curly starts acting strangely and Bec's face comes out of her body.
They do so, setting all the prisoners free and sending them through a portal to Earth, killing those too weak to move through as an act of mercy.
They confront Lord Loss and Bec and start fighting the pair of them but Grubbs quickly realizes they are fully outmatched.
When Grubbs and Kernel try to reason with her, she tells them all those she was loyal to are gone, she gets the original board and the walls melt to reveal thousands of humans.
Kernel has opened a window and Lord Loss, stunned from Grubbs's last attack can't stop him.
They meet back-up with Prae and a new set of werewolves and all fight with new vigor (even Kernel, who didn't like the fighting, has decided that there is nothing to lose anymore), they make it to the tunnel entrance and destroy the lodestone, causing the demons to be sucked back to their realm, alongside some unfortunate werewolves and humans.
Grubbs decides they should wait for the tunnels that threaten the whole world and throw everything they got at it, and leave the ones that can only cover a few hundred kilometers alone.
A team fronted by Grubbs, Kernel, Kirilli, Shark and Timas go to the edge of a cliff where the tunnel is (this most likely is the place that Bec and Beranabus travel to in the fourth book and where we see the Old Creatures for the first time).
Timas stays on top, and he and Shark inform the others that they have arranged for nuclear devices all over the world to be detonated if the team fails, therefore causing the humans to be killed instantly, instead of waiting for the demons to torture them.
While the tunnel is opening, a fight breaks out, and Grubbs manages to catch Lord Loss by surprise using his and Kernel's parts of the Kah-Gash, taking him out of action for a while.
This is when Grubbs realizes that Lord Loss, who he has been afraid of since his parents and sister were slaughtered, was only one of the lesser demon masters, and that the ones that are pouring through at the moment are many times stronger than him.
In a last attempt Kernel and Grubbs grab Bec, after being unable to beat her up, they do this to try to blow her up in the tunnel to close it, but when they get to her and direct all their energy into her, she just feeds it back to them increasing it, letting the weapon rise in power.
Bec begins to control the weapon, and in a last attempt to stop her, Grubbs cuts the flow of energy to her, but then she winks at him.
When they arrive at the Crux, they shatter into sixty-four pieces and merge the original universe back together, with the Kah-Gash once again forming the boundary.
In a sudden sweep, the trio instantly and painlessly unmake every Demon Master, and any with enough power to cross the boundaries between universes, though Grubbs does enjoy the killing.
Begrudgingly, Grubbs listens In the chess board, Bec told Lord Loss about Bran's plan.
Lord Loss reveals he doesn't actually care about his fellow demon masters calling them a vile, beastly lot.
Grubbs wonders why and Lord Loss explains that he likes humans, their sorrows, suffering and games they invent.
Lord Loss then reveals he isn't that powerful and chose to focus on earth while other demon masters terrorized galaxies.
He explains his desire to be the lord of all Demonata now, and without competition his shadow and horror might cover the entire universe, a feat beyond any Demon Master before.
Grubbs starts to protest this but Bec says they need him, for the universe requires a force of evil and she doesn't like the idea of being it.
Grubbs states that he will feel tempted to interfere but he must fight for they don't want to rob individuals of the right of determination.
He utters a slightly changed biblical quote saying: "In the beginning Grubbs created the Heavens and the Earth and everything was dark.