Madara Uchiha's Journey Through the Multiverse

"This ninja world is too small—only enough for me to stir things up alone.

The multiverse, however... is barely worthy of amusing me."

—Madara Uchiha

World 1: Battle Through the Heavens

(Begins in the Tagore Desert)

Before Chapter 40:

Must include Flame Mantra, Bone Spirit Cold Flame, Green Lotus Core Flame, and the Alchemist system.

Also needs to introduce the world’s power system.

Madara should briefly interact with Xiao Yan in the desert.

After Chapter 40:

Madara starts to act independently.

After Chapter 75:

Madara goes fully solo.