Dumbledore wanted to confuse Herpo, Voldemort, and the others who were using the "Eye of Heaven" to keep watch by inviting people into Limbo, which meant Wizet needed to be involved.
However, when it came to his studies and daily life, Wizet had no intention of compromising in the slightest.
To avoid disrupting his normal studies and life while still allowing others to explore Limbo safely, he combined the goblins' Magical Contracts to create a stack of special magical parchment.
The method of entering into this Magical Contract was simple: one only needed to write down one's name on the parchment, seal it with a drop of blood, and symbolically pay one Bronze Knut as the price.
No matter who it was, as long as they signed the Magical Contract, they could safely travel to Limbo even without Wizet present, without worrying about being swallowed by that pulling force.
To Wizet, the principle behind this magical parchment was not particularly complicated. It was mainly a small application of "bestowal" and "extension."
His inspiration came from the magical connections he had formed with countless lives through something akin to Life Debt.
Through those special magical connections, he could serve as a counterweight representing life, offsetting the imbalance brought about by the Deathly Hallows.
Once he understood this, he used that method of connection as a reference and "lent" his own unique trait to those who needed it.
As for how the parchment specifically worked, it also incorporated two magical properties of Sympathetic Magic: contagion and similarity.
So-called contagion meant that things which had come into contact would continue to affect each other.
When making the parchment, Wizet drew on the principles behind brewing Soul-Soothing Potion and infused it with a trace of his soul's aura.
Through that direct contact, a connection