“Warlock,” he said. “I know who you are.”Magnus raised his eyebrows. “You do?”“Magnus Bane. Destroyer of the demon Marabas. Son of—”“Now,” said Magnus, quickly. “There’s no need to go into all of that.”“But there is.” The demon sounded reasonable, even amused. “If it is infernal assistance you require, why not summon your father?”Alec looked at Magnus with his mouth open.”
“Alec's trying to get Magnus to take him seriously, but he's never told our parents about Magnus, or even that he likes, you know -" "Warlocks ?" Simon said.”
“What do you need the phone for, Alec?” “We just need it,” Alec said impatiently. “Izzy-”“If you‘re texting Magnus to say ‘I think ur kewl,’ I‘m going to kill you.”“Who‘s Magnus?” Max inquired.“He‘s a warlock,” said Alec.“A sexy, sexy warlock,” Isabelle told Max, ignoring Alec’s look of total fury.”
“Your city is under attack," he said. 'The wards are down, adn the streets area full of demons. And you want to know why I haven't called you?"Magnus to Alec”
“Instead of replying, Alec reached down and took Magnus's hands. Magnus let Alec pull him to his feet, a questioning look in his eyes. Before he could say anything, Alec drew him closer and kissed him. Magnus made a soft, pleased sound, and gripped the back of Alec's shirt, rucking it up, his fingers cool on Alec's spine. Alec leaned into him, pinning Magnus between the table and his own body. Not that Magnus seemed to mind.'Come on,' Alec said against Magnus's ear. 'It's late. Let's go to bed.”
“There might simply be nothing going on that might activate it. Perhaps there isn't anything here that Alec is afraid of."Magnus glanced at Alec and raised his eyebrows. "Boo."Luke and Magnus, pg. 285”