THE BLUE GOO SMELLED FOUL, a sickly sweet you could almost taste, with an underlying tang of acid and decomposition.

'Phew,' Sian exclaimed, blocking her nose when they crept past the mess left over from the empty tanks. 'I understand why Cat smashed them, but she could have thought of us behind her.'

No one else said a word and Daron, his face tense, kept a tight hold on her hand. The gruesome display of the previous Elementals chilled them all, and then to find the ...