Having Nessa by her side helped the young slayer have presence of mind enough to thank Sol, and help pull herself out that frenzy... Part of her really didn't want to see big sister go off right now. Part of her wanted to slip away and hide. The initial shock had worn off, but things were still pretty surreal on top of jer embarrassment. That embarrassment was the only thing that did feel real.
Arcadia gave a barely audible, "Okkay." to Nessa as she slipped off to find something to drink. She hugged herself turning more directly toward Sol, though her voice wasn't any more audible, "I-I'm sorry, Sir. I wasn't meaning to alarm anyone... but I don't think you can understand. However long ago you put the traitor done, for me it's only been 3 or 4 months since he betrayed my family. I think I'm gonna need a couple days to let this really sink in. And I'm pretty sure I used up a lot more magic power with my... with my roar than ever do. So I don't know what kind of... kind of..."
The young, haggard slayer was about to offer to display her skill some other time, when she could give a more representative demonstration. A very subtle vibration she felt in the ground beneath her feet got the young girl's adrenaline pumping again. All that emotion pushed aside for moment as she entered a readied state. Without a moment for words, she back handsprung into a backflip with some altitude above the water.
Not a half second after Arcadia's acrobatics took her out of the way, a a gout of flame erupted from the water, followed by a lone fire mage assassin. She had sprouted and spread a pair of dragon wings made entirely from hoarfrost, giving her an extra couple seconds of being airborne. All she needed to turn the surprise back around on her would be attacker.
Five needle sharp claws of ice grew from one hand, and she whipped them as deadly darts at the fire mage. One sailed wide, the other four struck home in the assassin. Arcadia folded in her hoarfrost wings on landing gently back in the water. As she was touching down, she unleashed a whirling torrent of razor ice and freezing mist. A much less powerful and more usual version of the young slayer's roar.
The fire assassin looked plenty worse for the wear, but was still standing. He did act in desperation, so easily following the refracted image Arcadia had bent of herself trying rush on around.
The fire assassin unleashed what would have been an absolutely devastating strike of flame from above Arcadia's refracted image. It turned the water in its strike zone to steam. He never got to see the steam clear to reveal his failure. The actual Arcadia struck him from behind through the gut with a blade of ice grown around her left arm.
Pulling her arm back, she let the blade melt away. She glanced around, breathing pretty hard, very much spent magic wise. "I...I hope that was the only one. And I guess those sand dragons weren't part of the planned entertainment after all."