The severed root struggled inside the dark matter, but the latter prevented most of its functions. The green limb couldn't dissolve or escape the suppression, and Noah made sure to replace everything that got infected.
Meanwhile, Noah enhanced his mind's capabilities to study the root. He had found the very source of the infection, so he wanted to develop a cure. His plan didn't only involve the upper tier magical plant seen in the other layer of the separate reality. He also wanted to save the three experts to increase his number of allies.
The dark matter around the root acted as an extension of his mind and helped him study the tough and strange limb coming from the plant that the separate reality had tried to hide. The upper tier specimen was beyond odd. It had a solid structure, but it appeared able to turn into infective energy in an instant.