Horus accounts have the penis of Osiris surviving). After becoming pregnant with Horus, Isis fled to the Nile Delta marshlands to hide from her brother Set, who jealously killed Osiris and who she knew would want to kill their son. There Isis bore a divine son, Horus. Since Horus was said to be the sky, he was considered to also contain the sun and moon. It became said that the sun was his right eye and the moon his left, and that they traversed the sky when he, a falcon, flew across it. Later, the reason that the moon was not
The Horus Heresy (novels) tensions in the nascent Imperium, exacerbated by the Emperor's absence and contentious actions and inactions these are common themes in following books. 2. False Gods: The heresy takes root "False Gods" picks up a few weeks after the conclusion of "Horus Rising" in the series timeline, and tells the story of Horus' fall. In a complicated conspiracy implemented by followers of Chaos, Horus is mortally wounded during a Crusade mission by a Chaos-tainted xenos weapon. In a desperate action by his lieutenants to ensure his survival one taken in strict contradiction to Imperial doctrine Horus is brought to a local