They reached the fourth underground level.In order to cross the vast lake, the magic of walking on water is needed, but Sisi, who has a negative attitude towards magic, refuses to use it.He suggests taking a ride across the lake on an aquatic horse named Annie.Although Leos objected that it was dangerous because he couldn't understand the monster's true intentions.

They reached the fourth underground level and saw a vast lake in front of them.To move forward, they need the magic of walking on water.However, Sisi had a negative attitude towards magic and steadfastly refused to use it.

"I don't believe in magic," Sisi said stubbornly, "We can find other ways to cross the lake."

Leos frowned, realizing that crossing the lake would be very difficult without the help of magic.He shook his head slightly, trying to persuade Sisi to change his mind.

"Sisi, we don't have enough time to find another way.Magic helps us save time and energy," Leos tried to explain.

Sisi, however, was unmoved.He has always believed that magic is unreliable and is skeptical about it.

"I'd rather walk slower than risk magic," Sisi said firmly.

Leos sighed deeply, knowing that it would not be easy to convince Sisi.He turned his head and looked toward the end of the lake, wondering if there was another way to cross.

Just then, a soft horse neighed.Leos and Cesi both turned their heads and saw a beautiful aquatic horse standing quietly on the shore of the lake.

"This is Annie," came a voice, "she can take us across the lake.""

They looked up and saw an older monster standing not far away.Leos was doubtful, unsure if he should believe the monster's words.

"We cannot know the true intentions of the monster, which is very dangerous," Leos reminded Sisi carefully.

However, Sisi showed some trust in the monster.

"Maybe we can give them a chance," Sisi suggested. "If we can get across the lake, that's a sign of their goodwill.""

Leos hesitated and finally agreed to Sisi's proposal.They walked up to Annie and prepared to ride across the lake.

During this unknown journey, they will witness the true intentions of the monster and learn to no longer doubt everything.