With Zhen Hai busy dealing with the Fallen warrior titled "Swamp Slaughterer", Zhen Feng was left by his lonesome to free the rest of the Zhen Clan soldiers. Granted, that was easier said than done.
'Okay...excluding the ones maintaining the array, I just need to fight...fifteen or enemies. Great...'
[Including them, you have to fight thirty-three enemies.]
'I am aware of that, thank you.'
Technically speaking, he wasn't alone, he just had assistance in the form of empowerment as opposed to physical assistance.
[Speaking of, incoming!]
Before Zhen Feng could figure out a plan of action, alongside the voice in his head(Razorstella), two of the Fallen warriors, a pair of peak Aether Acolytes, took it upon themselves to run distraction and give the others time to prepare.
Armed with spears, they charged at Zhen Feng with a fairly standard Corporeal aether art.
[Twisting Tidal Thrust!]*2