In "Fog Hunter," Shadow Owl is a highly enjoyable and powerful hero, well-suited for solo play. To explore the fortress on Calamity difficulty, certain techniques are required. First, in the mine area, there are three respawn points at Mine Position 1: the frontline outpost, the key chest location, and the junction between the second floor of the North Watchtower and the Central Hall.
How to Explore the Mine in Shadow Owl's Calamity Fortress in Fog Hunter