They needed one and a half weeks to fuse with the authority of a pathway and become the god of the pathway. They have spent some days doing this before the event with the god of crime. So what they needed was a week to become the god of the pathway of undying.
After making the god of knowledge wait for a week, they created a virtual body to meet with him. The virtual body was willing to enter the white tower to have the meeting because it wasn't afraid of dying, but the god of knowledge wanted them to meet outside for some reason.
Legion didn't care anyway. But it seemed that the god of knowledge didn't like that they made him wait for so long, and this was clear from the first thing that the god of knowledge said to them.
The god of knowledge was in the shape of a tree. He was a large tree made of white paper. Both the trunk and leaves were made of white paper.
