Though these undead assassins were far from weak and exceptionally skilled at concealing their presence, once they had nowhere to hide before Yue Chen and Sol, they lost any chance of putting up a fight.
Their ghostlike speed came at the cost of the formidable external spiritual power possessed by the skeleton knights from earlier. Their attacks had tremendous penetrating power and could easily inflict devastating damage on Yue Chen, but unfortunately for them, before those attacks could land, their grayish-blue figures dissolved in the dragon flame spewing from the Ashen Dragon Fang in his hand.
The undead assassins that appeared this time clearly possessed the strength of sixth-tier fighters. Yet they drained even less of Yue Chen's spiritual power than those tough old bones he had faced earlier.
After absorbing all the white orbs obtained from the undead assassins and converting them into usable spiritual power, Yue Chen wasted no more time. He took Sol deeper into the tower to face the fourth trial on the Eternal Tower's first floor.
As for Long Haochen, who had only barely passed the enhanced version of the Eternal Tower's first trial after exhausting every means at his disposal, Haoyue seemed to have taken him back to the Holy Demon Continent to recover his spiritual power.
Yue Chen's opponents in the fourth trial were four skeleton warriors and two undead assassins.
There was a reason knights and assassins were considered the best partners. Although these opponents were considerably weaker than Yue Chen, their battle experience, ingrained into their muscle memory, allowed them to hold their own against him for quite some time before he defeated them one by one.
Although the white orbs obtained from the defeated undead guards could only replenish a little of Yue Chen's expended spiritual power and could not