Beelzebub's observation was right on the mark when Esther concluded the garden was divided into halves the possible other halves must hold some kind of secrets which the woman wants to hide.
Taking the chance, Esther decided it was much quicker to solve the actual problem before finding out more how to enter this secret the woman had.
"Nothing seems to be a portal or something," hummed Esther in a thought. "But there is no lamp or lever which we could use to tear down the illusion such in a way if we are trying to find out how to enter a secret room in a building.
Beelzebub was near her, seemingly staring at all his surrounding while keeping a close ears to her words.
"Maybe we should use a magic to tear down the illusion?" She was good with magic albeit her weakness is that she has too little magical power inside her. "I can try."