They were a few hundred meters away from the labyrinth. Being exposed in this wide, open space was risky due to the potential appearance of demons. Though it was suspicious that the demons weren't swarming the Academy after their sudden arrival, finding out why wasn't important right now—getting to safety was.
Leonard had no intention of avoiding the labyrinth. Its position and condition could offer some protection, even if there were gaps.
However, to ensure his safety, he knew he had to deal with the problem in front of him.
'It's not like I can just leave her behind. I can't survive alone. That idea about demons being afraid of Venerable Demons could be vague. Fear isn't the same as weakness. Sometimes fear makes people stronger.'
With that in mind, Leonard resolved to make sure Seraphis wouldn't put him in danger. He still needed to gauge what these demons were capable of since it was his first time encountering them.