"What?! Haven't you prepared enough energy potion?" John yelled back.
"I have prepared a good number of every type of energy potion," Trinity replied. "They are all still under cooldown. My MP depletes faster than it can regenerate!"
"Shit!" John cursed. While Beelzebub's frenziness made him reckless, it also increased the strain on the Field Prison rune diagram. Trinity's mana manipulation might be strong enough to enhance it, but its fuel came from her MP. Once her MP ran out, the rune diagram would return to normal strength.
"Throw everything you have at him!" John commanded.
"Do you think we have not?!" Jet complained.