Cheating
None of the three kids came forward, trying to utilize their magic combat techniques. They knew that Adam was a rank 2 magus and as such, his body was far stronger than theirs.
They were no match for him in terms of physical strength. Thus, it would be folly to engage with him in close-quarter combat.
Hence, all three of them stood at a distance and weaved a series of hand gestures. Then, brilliant multi-colored magic circles lit up before them.
Rank 1 Spell: Spill Water!
Rank 1 Spell: Shape Earth!
Rank 1 Spell: Tremor!
The ground underneath Adam started to tremble. It was slow at first but gradually grew in intensity. A moment later, it felt as if he was in the middle of an earthquake.
Yet, Adam remained steadfast. His eyes twinkled with expectations as he thought, Show me what you got!