Harry had his tactile ripples, but that was not the only kind of sensory magic.
Horton had a similar spell. Though its range was not as great as that of the tactile ripples, it still reached eight metres. Thus, the moment he stepped into the passage, he detected Harry's presence. His body paused slightly as a result.
Harry immediately noticed that pause, however.
Without the slightest hesitation, Harry fired a Stunning Spell at him.
But while the Disillusionment Charm could hide his body, it could not hide the light of his spells. Seeing the red light coming, Horton immediately rolled aside to dodge and fired a spell back.
Although the Duelling Club had closed early this year, it had held quite a few sessions the year before and the year before that. Harry had actively participated every time. On top of that, Sirius seemed to have deliberately taught him some magical combat techniques during the holidays, so he was quite well practised in this area.
After casting his spell, Harry immediately rolled as well, making Horton's spell miss.
Finding that his surprise attack had failed, Harry had no desire to get tangled up with Horton. From the previous events, he had seen that, apart from himself and Ron, the other twelve Champions were almost all on a par with an average adult wizard.
It was not that Harry thought he had absolutely no chance of winning, but there was no need to take the risk, was there?
The cup was behind him now. All he had to do was grab it first, and he would win.
At that thought, Harry put his head down and ran towards the cup.
Detecting Harry's movements through his sensory spell, Horton immediately worked out what Harry intended and fired a spell in the direction