Setting aside the gap in their strength, just consider their Magic.
Jura used Earth Magic to control the ground, hardening sand and soil until they became as tough as rock and steel. Known as Iron Rock Jura, he made the earth seem alive in his hands, shaping it into all manner of attacks.
Bacchus used Pigua Palm. Strictly speaking, it was not Magic, merely the circulation of Magic Power to enhance its force. His fighting style could only unfold through close combat like a warrior's.
This was a world of Magic. Why play melee in a world meant for Mages? Wasn't that asking to get beaten up?
Well... there was clearly something wrong with this magical world. Mages were supposed to use Magic, yet every last one of them loved close combat. Their thought processes were downright bizarre!
What? Natsu?
He was a Dragon Slayer Mage. With a Dragon's physique, wasn't close combat perfectly normal for him?
What? Erza?
Costume Change Magic relied on weapons for combat. Wasn't close combat normal for her too? Besides, she had long-range methods as well.
The key was that Bacchus was far too specialized. He could not get close to Jura at all, and even if he did, could his palm strikes shatter Rock Iron?
If he could not even hurt his opponent, how could he win?
"Congratulations to contestant Jura for successfully advancing to the finals!"
"Who will compete against contestant Jura for the championship?"
"Let's watch the next match!"
"Please welcome contestant Feiyang and contestant Arno!"
Arno hopped into the arena, while Yun Feiyang drifted in.
"If I'm not mistaken, your Magic is wind, right?"
"Isn't that obvious?"
"Then I'm truly sorry for you!"
Arno said smugly, "Whether it's your unique Sword Skill or wind Magic, neither of them will work on