They settled in a place and began to live, working together to research and comprehend the inheritance, hoping to find the correct way of rune embedding through everyone's wisdom and effort.
Thus, a gathering place for Ice Wizards, jointly governed by several families, gradually formed.
Through generations of research by family wizards, they found a method barely able to utilize the [Ice Soul]—embedding the runes belonging to [Ice Soul] while condensing Spiritual Power Crystals and solidifying Soul Seals.
This is why the "Talent Transplant" method of White Stone Castle could only be applied at specific nodes, such as when a Level 1 Wizard attempts to advance to Level 2 or when a Level 2 apprentice advances to the intermediate stage—these nodes being when a wizard's mind forms a new Spiritual Power Crystal.
Although this method solved the crucial rune embedding issue, it subsequently exposed various other new problems.