While Erwin was contemplating all of this, the battle taking place up above was gradually beginning to wind down.

The bursts of arcane energy unleashed by the black wyrm were becoming more and more fearsome, and Onean and her white dragon were struggling to keep up.

In contrast, Lana was standing on the back of the black wyrm, looking down at her prey with a pleased expression, as if the more Onean struggled, the more pleasure she would derive from seeing her struggle.

In the end, magic power was turning out to be the key that was going to decide this battle.

Onean still hadn't recovered from the effects of the magic drugs she had been afflicted by, so her magic power wasn't at its normal level, thereby placing her at an inherent disadvantage in a battle of attrition like this.

However, there was no panic or urgency in his eyes at all.

She continued to calmly ward off the black wyrm's attacks one after another, paying no heed to the derisive look on Lana's face.

"Judging from how calm Onean is, it seems like she's planning something," Aglea said as she looked up at Onean with slightly furrowed brows, and her words immediately snapped Erwin out of his train of thought.

Lana could see that Onean was running out of steam, and she decided that...