Goku battle ladder

Level 1: Krillin,Nail,Guldo
Level 2: Gohan, Piccolo, GarlicJr.
Level 3: Vegeta, Trunks
Level 4: Frieza, King Cold
Level 5: Cell
Unlocks: Nail

Gohan battle ladder
Level: Krillin, Nail, GuldoLevel 2: Piccolo, GarlicJr., VegetaLevel 3: King Cold, Trunks
Level 4: Frieza, Goku
Level 5: Cell
Unlocks: Trunks

Frieza battle ladder
Level 1: Krillin, Nail, Guldo
Level 2: Gohan, Piccolo, Garlic Jr.
Level 3: Vegeta, Trunks
Level 4: Goku, King Cold
Level 5: Cell
Unlocks: King Cold

Garlic Jr. battle ladder
Level 1: Krillin, Nail, Guldo
Level 2: Gohan, Piccolo, Vegeta
Level 3: King Cold, Trunks
Level 4: Frieza, Goku
Level 5: Cell
Unlocks: Piccolo (Hero and Villain)