The article reviews Suzi Adams’s book on Cornelius Castoriadis, Castoriadis Ontology. Being and Creation by debating the options and possible deficits in Castoriadis’s notion of creativity. While Adams critisizes Castoriadis for neglecting the overarching – and horizontal – worldliness that must ultimately condition creativity in various instances of interpretation, in the most expanded sense as a cosmology, the review ponders an alternative approach which focus on Castoriadis’s creativity seen as a notion of a lateral and emergent positing of the novel, ”creations ex nihilo – but not in nihilo or cum nihilo”, with the statement in one of the last exposures of his thought.