Ahsoka Tano accompanies Anakin to Onderon to oversee the training of rebels, and she must deal with her own personal feelings when she is reunited with Lux Bonteri.

Lux Bonteri hails from Onderon, a world his mother represented in the Senate. Since the escalation of the Clone Wars and Mina Bonteri's death, Lux has grown more determined to free Onderon from Separatist influence.

Obi-Wan Kenobi is wary of Anakin's plan to arm rebels to fight a proxy war against the Separatists. He fears that they may be creating an army of terrorists.

A seasoned combat veteran, Rex is determined to whip the rookie rebels into shape.

Saw Gerrera is the self-appointed leader of the ragtag Onderonian insurgency determined to rid the planet of Separatist control.

Steela Gerrera is Saw's sister. A crack shot with a sniper rifle, she is more reserved than her outspoken brother and is wary of the Jedi outsiders -- particularly Ahsoka.

The Onderon rebels operate from the jungles of the planet, using meager supplies and animal labor. They wish to restore the leadership of King Ramsis Dendup to the throne.

Onderon is an ancient world of untamed jungle wilderness and immense, walled cities. Its recently crowned monarch, King Sanjay Rush, sided with the Separatists.