The Tentacles Bark Plates are taken from Corrupt Marae, as the champion's self-given reward for beating her in battle. They can be taken to Rathazul to make armor.
Tentacled Bark Plates, when taken from Marae After the death of a corrupted physical goddess, you see something odd. There is a pile of intact shards of bark. They looks large and thick enough to be workable. You give it an experiment punch. Despite your incredible strength, the bark refuses to bend or break. The bark is quite strong. Maybe someone can work this into armor? However, there are tentacles attached, still alive. You're not sure if you want armor that has tentacles in it.