Charging was something the army of berserk demons that may possess horned beetle bloodline did best.
They had shells thick and heavy like armor, muscles that could casually push ten tons of boulders, weight like horses as well as horns that could shatter iron, all of which made them an unstoppable war machine when they launch collective onslaught. They were equal to human cavalry when they launch charges on foot—perhaps even surpassing them, crashing through the enemy's lines easily without any fine equipment.
In Kalo the Rotfiend's long history, it had led that same berserk demon army under the leadership of its Abyssal Lord to invade other worlds or Abyss, robbing souls through slaughter and destruction. It had faced many sticky situations—staunch native troops, sturdy fortresses, fearsome, horrifying leviathans and colossal war machine the size of castles. Such things had made it felt multiple immeasurable headaches, but it had always found a solution in the end.
