Destroy Boletusporis Regem

Journal
''An automaton that calls itself Gus says a corruption has been affecting his beloved forest but he's afraid to leave his beloved garden. Gus wants me to go to the psilocybin lair in Blood River Outskirts, find something called a Boletusporis Regem, and dispose of it. I should be careful, because destroying something as powerful as this could have repercussions, including drawing out something even more dangerous.''