C999 The Pressure from Three Sides!
In an instant, Feng Yixiu picked up on the Sin King's partiality from his words; forbidding the use of blood spirits was an obvious attempt to handicap him. As someone endowed with dual blood spirits, he normally held a significant edge in combat. If he were restricted to using only his Demon Weapon, he'd be at a disadvantage.
His mastery of the Chaotic Devil Sword was still instinctual