Baten Kaitos Origins

Rank 1: Reach Alfard a second time and get the Dog Tags.

Rank 2: Read the letter in the shop in Sheliak Diadem.

Rank 3: Read the letter in the shop in Cebelrai Sadal Suud.

Rank 4: Read the letter in the shop in Komo Mai Anuenue.

Rank 5: Read the letter in the shop in Vega.

Rank 5 -Qualifier: Successfully complete Rank 5.

Champion: Successfully complete the Champion Battle.

Champion Advanced: Successfully complete the quest in the champion's room, then complete all advanced battles.

EX Combos
No.41 Character: Milly
Name: Reverse Knight
Description: EX combo for Milly, triggered by a combination of attack magnus. Milly unleashes her emotions directly at the enemy, beating them unrecognizable and driving them to sleep.
Cards required for combo: Weak Attack B, and Medium Attack

No.44 Character: Milly
Name: Horse Prance
Description: Ex combo for Milly, triggered by a combination of attack magnus. Milly kicks upward from an extremly low crouch, preempting any defenses by attacking from a blind spot.
Cards required for combo: Weak Attack, Pegasus Jump, and Medium Attack B

No.57 Character: Milly
Name: Swallos Flight
Description: Ex combo triggered by a combination of physical-based special attack Swallowtail and other attack magnus. Offers the quickended turnover speed common in Milly's combos.
Cards required for combo: Weak Attack B, Medium Attack, Strong Attack B, and

No.98 Character: Guillo
Name: Two-Palmed Defense
Description: Ex combo pairing ice-based magic Twin Ice Auger with an ice weapon. Boasts an absolute wall of icy, two-fisted defense.
Cards required for combo: Weak Attack, Medium Attack B, Strong Attack, and Twin

Finding an enemy's weakness without the field guide
While in battle, use the Dragons Claw, as it will reveal all enemies'health for a limited amount of time. On the left side below each enemy's health bar is their weakness, if they have one. It will appear as "Weak: [enemy's weakness]". You can find the Dragon Claw in Rodolfo's mansion. This is very useful when you continue to lose Boss battles.