Rick Riordan said this quote
“ Leo smiled nervously. Maybe he and Percy did share something else – a stupid sense of humour. ‘Yeah, I bet that would totally be against her sponsorship deal. THOSE ARE NOT THE OFFICIAL SHOES OF THE OLYMPICS! YOU WILL DIE NOW!’ Hazel rolled her eyes. ‘You’re both impossible.’ Behind Leo, a thunderous voice shook the ruins: ‘YOU WILL DIE NOW! ”