459 Dark Window and Great Prophecy Spell_3

Now, quite a few have already become qualified assistants to Matthew.

It might still be difficult for them to preside over a ceremonial field alone.

But following the plan Matthew had laid out, expanding step by step was quite simple.

It was thanks to the experience with the Scar of the Dead.

Matthew's collaboration with them was quite pleasant.

Within a few days,

the area of the Dark Window had expanded several times over what it was before. Following this trend, by the end of the month, they would be able to meet the target Matthew had set—

which was to cover the entire sixth level of the cemetery with the Dark Window.

In the meantime,

Matthew, who had stepped away, was gaining new insights from referencing books related to the "Dark Window."

With these insights,

he successfully developed a spell exclusive to himself.

...