For instance, Dragon, Phoenix, Qilin, although rare, were still available at the Beast Taming Sect. With a sufficient price, one could not only obtain a research manual but also manage their survival without much difficulty.
Having such encounters, understanding, and learning, as long as one's aptitude wasn't too poor, they could mimic a Spirit Soul that wasn't too far off the mark.
Of course, some were able to rely on reading and pictures to complete the Mimicry Technique of Soul Casting, but the Spirit Souls produced were somewhat rough.
The principle that drawing a dragon or tiger is difficult without knowing the bone structure is applicable here; things never truly seen, even if conjured up by imagination, are flawed and inferior.
Either form without spirit or skin without bone are merely supported by a surge of Spiritual Energy inside—an illusion; the Evil King Palace had many such joke incidents where a forcedly mimicked Azure Dragon was killed by a visualized earth wolf.
