Isaac only let go of Celia after she promised she would complete her Class Advancement within three days.
Only after that did he enter the battlefield.
With the current pace of the fight, Isaac's involvement wasn't necessary. Emily had already turned the tide. The city walls were stable, the monster waves were thinning, and the awakened fighters were gaining confidence with every passing minute.
Still, Isaac stepped in.
The ground trembled.
Roots burst out from beneath the soil around the walls, thick as pillars and covered in jagged bark. They shot forward like living spears, wrapping around charging monsters before they could react. The roots tightened instantly.
Bones cracked.
