Stage 1: Martial cultivation (tier 9 to tier 1)

Tier 9: Skin Transformation – Basic body defense and detoxification

Tier 8: Tendon and Muscle Transformation – Peak strength and agility

Tier 7: Bone Transformation – Indestructible skeletal structure

Tier 6: Marrow Cleansing – Lifespan extension and vitality boost

Tier 5: Organ Transformation (5 Primary Organs) – Core life force and vitality

Tier 4: Organ Transformation (6 Visceral Organs) – Perfect digestion and energy management

Tier 3: Sense Refinement – Superhuman sensory perception

Tier 2: Nerve and Meridian Refinement – Enhanced reflexes and Qi flow

Tier 1: Brain Refinement – Ultimate consciousness and Qi mastery

Stage 2: Spiritual cultivation (locked)