around, drips began splashing on to the floor of the Troll Chamber. It was as if it was beginning to rain deep inside the mountain. He wiped his hair. Black liquid clung to his fingers. âWhatâs happening?â he asked.
Dr. Fielding shone her flashlight on the roof of the chamber. âIt looks like oil,â she said.
Ulf could hear it trickling down the walls.
âWhereâs it coming from?â Orson asked.
Trolls started beating their chests. âOof! Oof! Oof! Oof!â
Some banged the walls with their fists.
As more oil poured down from the roof of the chamber, Tiana darted into Ulfâs pocket to protect herself.
Suddenly, there was a roaring sound as the oil caught fire. Flames swirled around the ceiling and spread down the walls.
âTake cover!â Orson yelled. He threw his arms around Dr. Fielding and Ulf, shielding them as flaming oil splashed to the ground.
The trolls charged for the exits.
The chamber was filling with smoke â thick, black smoke that made Ulfâs eyes sting and bit into the back of his throat. He pulled his T-shirt up over his mouth.
âGet out!â Orson shouted. âIâll get the trolls.â
Ulf tried to run, but in the thick smoke he couldhardly see. He was coughing and choking. Flames were roaring around him. Trolls were crashing past him, barging him to the side as they raced to escape.
âUlf! Over here,â he heard.
Ulf caught a glimpse of Dr. Fieldingâs flashlight and staggered toward it. But at that moment, a sheet of flames fell in front of him. He shielded his face from the fire. âItâs no use!â he called. He was being pushed back by the heat.
A troll thumped into him and Ulf was knocked to the ground.
âGet up, Ulf,â Tiana called from his pocket.
He scrambled to his feet and staggered to the back of the burning chamber, following a group of stampeding trolls into a narrow exit. Heâd lost Orson and Dr. Fielding.
âWeâve got to get outside,â Tiana called. âRun!â
Ulf ran as fast as he could up a back tunnel, slipping and sliding over the rocks. He heard a blast and glanced back as the chamber erupted in afireball behind him.
The fireball hurled him through the air, and he landed with a thump, his head crashing against the tunnel wall. The lamp on his head was smashed.
âUlf, are you okay?â he heard from his pocket.
But everything was a blur. The bang to Ulfâs head had injured him. He felt dizzy.
Then he felt his ankle being gripped by a bony hand. He was being dragged along the floor of the tunnel, and pulled into a cool dark cave. He heard a boulder being rolled across the entrance, cutting off the smoke.
Ulf felt himself losing consciousness. Tiana flew from his pocket, and in her glow he could just make out the face of a beast with white eyes, pointy ears, and a fat snout.
A goblin was leaning over him.
âGumball!â Ulf managed to say. Then everything went black.
Chapter 11
U LF OPENED HIS EYES. H E WAS LYING ON HIS BACK , staring up at the roof of a cave. He sniffed. The cave smelt musty. He felt his head. There was a big bump on his scalp.
âGive that back!â he heard.
Ulf sat up and coughed. His mouth tasted of smoke. At the back of the cave, he saw Tianaâs light. She was buzzing angrily above Gumball. The goblin was in the shadows, his bony hands clutching Ulfâs broken headlamp.
âMine now,â the goblin said. âMy shiny.â
âItâs not yours,â Tiana said indignantly. Shepulled the strap of the headlamp as hard as she could. âItâs Ulfâs.â
âTiana, whatâs going on?â Ulf asked.
Tiana glanced over at him. âUlf, youâre awake! Youâve been out for hours,â she told him.
At that moment, the goblin yanked the strap of the headlamp from Tianaâs grip. âBad luck, fairy,â he told her. âMy shiny now.â
Ulf