Instructions
Beat the same duelist 10 times. After the final time, he will ask to join your party. Unlock the character if you choose to accept him.
Play the game for up to 200 hours. The game has several milestones that reward you with new unlockable dueling partners. The 200-hour milestone is the final milestone that rewards you with a new character.
Use new cards and special summoning cards. The first time you use certain special, rare summoning cards ̵2; such as Blue Eyes White Dragon ̵2; it will unlock a new dueling partner.