Perment and the rest was able to quickly retreat close the tunnel where the curb was. Their advantage was that the path was narrowing and the enemy army had a narrow path to attack.
The fire ore bombs proved helpful in the fight, and Perment hadn't even used his own magic.
The blast would give the team a time to regroup and for everyone to touch the dead monsters.
Everone had a glove that allowed them to absorb experience and mana. But the two gloves were not the same. While one absorbed energy for experience, the other did not drain experience but mana! The energy conversion circle was a Mana-Siphon spell they made in preparation to launch another alchemy tool that Emeros created through the memories of Rorcast. The memories of Rorcast merged with the memories of Kyros and the two allowed Emeros to have a vast wealth of information.