He released his spiritual sense, carefully sensing the Artifact Spirits of the Mountain Suppressing Seal and the Flowing Shadow Shuttle, wanting to establish a connection with the two.
The Artifact Spirit of the Flowing Shadow Shuttle quickly responded to him, a gentle spiritual sense entwining with Yang Zhenshan's. Soon, their spiritual senses were connected.
Not all Artifact Spirits can leave their Spiritual Artifacts; accurately speaking, most Artifact Spirits cannot leave their Spiritual Artifacts.
The Golden Crow is just an exception; it can leave the Furnace of Eight Trigrams and act in the outside world because the True Sun Fire is stored inside the furnace.
Simply put, it's not the Artifact Spirit Golden Crow that leaves the Furnace of Eight Trigrams, but the True Sun Fire.
