Heather was unfazed by Duncan's strike and responded with a strike of her own.

Boom!

Then, their palms collided. Heather remained still while Duncan's body trembled and started to stagger a few steps backward.

Gasp!

At the same time, Duncan could not help but gasp for cold air. When their palms collided, he felt a strange icy cold energy transferring from Heather's palm.

That icy cold energy was completely different from the Yin-type cultivation methods that he had come across previously. H