Theresa looked on with a grim expression as her Demonic Puppet Legion was ravaged by the Heaven Incinerating Inferno, but there was no despair on her face whatsoever.

In fact, even from so far away, Erwin could see a hint of anticipation in her eyes.

He had a clear recollection of this expression as he had seen it once before during his battle against Cheren at Count Onen's tea party.

He carefully recalled his battle against Cheren, and he knew that as long as Onean's Heaven Incinerating Inferno possessed sufficient power to wipe out all of these modified cavaliers in one fell swoop, then they wouldn't have to worry about these cavaliers absorbing the magic energy within the spell.

However, looking at Theresa's expression, he knew that things weren't going to be so simple.

Initially, Mackney and Onen were quite relieved to see this devastating sea of fire. If Erwin turned out to be the ultimate victor of this battle, then neither of them would be very worried. After all, neither of them had any bad blood with Erwin. In addition to that, they were both of the opinion that Erwin wouldn't be able to do anything significant even if he were to come out on top on this battlefield....