When Baiyi identified their main source of power, he wasted no time in his onslaught. As he dodged the attacks, he quietly planted a few runes below their feet. After they disengaged from their last clash, he triggered the rune complex.
The runes only served one purpose, and that was to disrupt the energy flow in the air. Once it was activated, the two demons very quickly paused. When they looked down, they saw the marks on their chests were no longer burning, and their power returning from its previous limit-breaking Holy-level to its normal Legendary-level.
No wonder Baiyi did not see any display of acumen befitting a fighter of Holy-level. Everything they could do was due to external help!
When they realized that their safety net had been removed, the Oblivion Knight's mettle from before instantly dissipated. He could only wave his hands apologetically, "S-sir… This is a mistake… A misunderstanding…"