The 2 demons that had been struck by Heaven had little to no items left. Their storage treasures had been wiped from existence with the rest of them and only a few bits of metal and cloth remained.
Even Lind could tell nothing from the materials. He was not familiar enough with the details of each island's composition to even begin to narrow down where it came from. In the 3 continents, he could see an artifact or even a pill and quickly determine where it was from by method, skill, or material used.
The demon he purified was much more helpful as all of his items were intact. Unlike his body, none of the items were Fiend related, only demonic. There were no emblems on his robes but the formations were at least high grade 4.
It placed the demon near the bottom of his organization but his skill in hiding meant the experts above him were terrifying.