When the spikes began to emerge from the ground at his feet, Arty released the energy gathered in his left hand and a brilliant burst of light and electricity shot out of his hand and into the onrushing spikes, burning half of them from existence before they'd even traveled more than a few inches. As he did this, he moved toward the now cleared area and off of the spikes that had been working their way through the soles of his shoes, raising his sword as he did so to ward of the spikes launched at him from his right. Given the sheer brilliance of the blade, most of the spikes disappeared long before they touched it, and those that didn't were far too weak to cause any damage by the time they struck something.
The attack dealt with, Arty turned to re-engage his opponent, only to find that the lizard man was fleeing. For a brief moment he contemplated pulling him back with a gust of air, but decided against it. The man was clearly defeated, and there was no need to add insult to injury. Instead, he turned to the last remaining opponent. "So, you feel like dying?"