Leo vs Khione

	She shot a blast of wintry sleet at the demigods, but Leo held up his hand. A wall of fire roared to life in front of them, and the snow dissolved in a steamy cloud.
...
	Leo had taken on Khione herself. While fighting a goddess should’ve been suicide, Leo was the right man for the job. She kept summoning ice daggers to throw at him, blasts of winter air, tornadoes of snow. Leo burned through all of it. His whole body flickered with red tongues of flame like he’d been doused with gasoline. He advanced on the goddess, using two silver-tipped ball-peen hammers to smash any monsters that got in his way.
	Jason realized that Leo was the only reason they were still alive. His fiery aura was heating up the whole courtyard, countering Khione’s winter magic.
	Without him, they would’ve been frozen like the Hunters long ago. Wherever Leo went, ice melted off the stones. Even Thalia started to defrost a little when Leo stepped near her.

- The Lost Hero

...

	No!’ Piper raised her knife, but there was nothing to attack. She looked desperately at the stairwell, hoping to see her friends charging to the rescue, but a block of ice had sealed the hatch. The whole lower deck might have been frozen solid.

- House of Hades