Recaps

Lei Dou used the damaged God-Tier Skill System to rapidly build chakra, master swordsmanship, and develop Water Breathing while drawing the attention of Hiruzen Sarutobi, Danzo, and his classmates. The arc left him with a custom blade, a growing arsenal of Water Release techniques, and Great Sage steadily restoring its functions.

• Lei Dou activated the God-Tier Skill System, filled its passive slots with Chakra Refinement, and began building chakra and physical strength through continuous training.
• Lei Dou learned swordsmanship from Shimozuki Hayate, mastered the forms through Great Sage, and secretly chose to present himself as a sword specialist.
• Lei Dou mastered Transparent Release and learned Fire Release, then fused fire and water chakra to acquire Boil Release, though its recoil strained his body.
• Lei Dou restored Great Sage’s calculations and Thought Acceleration, fused Water Release with swordsmanship, and developed Water Breathing.
• Lei Dou impressed Tenten with his hidden-weapon skill and strength, then received the custom blade Zangetsu after defeating challengers at the training ground.
• Lei Dou defeated Genin and Chunin with Water Breathing, leading Hiruzen Sarutobi to recognize his talent and Danzo to covet the style.
• Lei Dou acquired Wind Release, infiltrated the Advanced Training Ground, copied several Water Release techniques, and gained Advanced Taijutsu.
• Lei Dou mastered Water Release: Body Flicker Technique, derived four more Water Release techniques, and learned that Great Sage had restored Sealless Hand Seal Release to 50%.