Ain't Out of Options
Since the battle started, Uriel had eliminated the vanguard of the three, and the rearguards—a magic caster and an archer—were left to deal with the opponent. Uriel had been giving Franc and Bruxo a hard time, which was why Bruxo resorted to casting a spell that could increase their chance of winning.
To win, they had to get rid of what made Uriel have the upper hand. The spell would take some time to cast. As Bruxo was ritualizing the spell, Franc had been dealing with Uriel so that Bruxo could finish his spell.
"Triple Shot."
Once he had pulled the string of his longbow to its potential, Franc released it and let three arrows loaded on the bow fly after he used a Level 5 Shooting Art technique.
With the activation of his Supersonic extra skill, the arrows he fired flew in the air at a speed of several Machs. At that speed, no one would be able to evade it. But Uriel was not like anyone else.
"Anti-Physical Barrier."