"I'm the only one, I think," He muttered as he watched her try to recreate what he'd done. "This is what I do out here. I work on that power."
He stepped away from the shoreline for a moment and towards Poppy, then broke the rain around her, diverting it away as best he could. That would show that he could actually do what she thought he could, but by now it was way too late to make something up anyway. He supposed it didn't matter much now what she saw, so long as she didn't tell anyone. "I don't know how I got this power, or why, but I've turned it into an art form. I can bend it, and shape it to anything I can think of. Watch."
Alex turned toward the water, holding his hand out and closing his eyes tightly. As he focused, an Asian-style dragon made entirely of ocean water rose from the depths, leaving a rather large spot of a gap in the waves. The dragon looked Poppy directly in the eye, and then Alex let it drop. "Mainly, I use it to make those damn water fountains at the school actually work right. I can't get much other practical use out of it right now."
Stopping for a moment, he looked from her to the water and back to her. One more time, he bent the rain around her, then his eyes narrowed into a glare. "So, I suppose I have to k-....I suppose I have to kill you now," He tried to say in as stern a voice as possible, but he burst out laughing before he could finish the joke.