The chapter explores self-reductionSufi phenomenological reductionself-reduction, a key component of Sufi phenomenological reductionSufi phenomenological reduction (alongside external reductionSufi phenomenological reductionexternal reduction), examining its role as a driving force in the formation of the Ego and the broader processes of creativity and cognition. Self-reductionSufi phenomenological reductionself-reduction is analyzed from multiple perspectives: in the context of reflection and intentionalityIntentionality, its relationship to different levels of consciousnessConsciousnesslevels of consciousness, and its role in maintaining harmony within the structure of the Ego. As a process encompassing self-awarenessSelf-awareness and self-reflectionSelf-reflection, self-reductionSufi phenomenological reductionself-reduction enables the discovery of the inner potential of consciousness and the filtering of knowledge, thereby strengthening the inner force of the individuality. If intentionalityIntentionality represents the mobilization of the power—light—of consciousness, self-reductionSufi phenomenological reductionself-reduction directs and guides this power according to the initial idea of creating a new eidetic chainEidetic chain. Because self-reductionSufi phenomenological reductionself-reduction is inherently individual, its manifestations vary depending on the levels of consciousnessConsciousnesslevels of consciousness, illuminating both subconsciousConsciousnesssubconscious dark memoryDark memory and suprarationalKnowledgesuprarational knowledge arising from spiritual or superconsciousConsciousnesssuperconscious experiences. Drawing on historical examples, literary characters, and illustrative diagrams, the chapter demonstrates how distortions of self-reductionSufi phenomenological reductionself-reduction lead to deformations of the Ego, confirming that this method involves both delimitation and affirmation of the Ego in society.