Reach level 2400
Unlock all three fighting styles: Superhuman, Death Step, Electric Claw, and Sharkman Karate
Master each required fighting style to 400 mastery
Obtain Dragon Breath and Dragon Talon
Reach 400 mastery on Dragon Talon
Reach 500 mastery on all required styles if needed by current game requirements
Go to the Ancient Monk NPC in the Third Sea
Pay the required cash and materials
Complete the Godhuman purchase requirements
Equip Godhuman from your fighting styles menu