Vitas

"We only need to find a way to make it." said Angus with a smile.

"Then, what should Anna do?" asked Anna in a serious tone.

"First, you must learn about runes, materials, and craftsmanship. You also need to know advanced mathematical calculation and engineering." said Angus while listing what Anna needs to learn.

"Ehh… That's a lot and boring." said Anna.

"But, if you can master all of this, you may create a way to destroy the wall like a domino." said Angus.

"Hmph… Alright… Anna will learn them." said Anna with a resigned tone.

Before they knew it, Angus had already taken out a book and told Anna to read them. At the same time, Aunt Extalia didn't know how to react to them. She knows Angus uses this method to make Anna study.