A further trace of the originally ‘terrible’ character of Isis can be seen in the strange fact that when Isis intervenes in the battle between Horus and Set, her spear first strikes her son Horus
Neumann argues that the ‘good’ Isis of Egyptian orthodoxy suppresses a genuinely terrible, witchcraft-wielding dimension that surfaces in subsidiary myths, revealing her dual nature as both devoted mother and deadly Great Goddess.
, The Origins and History of Consciousness (Princeton, 2019thesis