Apollo stared at the "fireworks" on the ground for a moment before he took a step back.
Having found Seven's weakness, Apollo gained confidence. As long as he could use his Lightning Attribute, he could defeat them, as they were almost indestructible as long as they had the red smoke around them.
The previous explosion caused a loud noise; the people inside the mansion must have felt it and were alerted. Apollo turned to the stairs that would lead him to the third floor.
He was about to walk up when he stopped and turned to the direction where his companion had disappeared. He thought for a while before he proceeded to walk up the stairs. He couldn't waste any more time.
And as he walked up the stairs, he concluded that there must be another mini-boss on the third floor, very likely one of the Sevens, maybe Six. Which meant he would have to fight again.
A waste of time, which he couldn't afford at the moment.
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