This is the untold tale of the master of Spinjitzu's greatest battles! In what may be their darkest hour, Sensei Wu reveals the battles he fought before creating the awesome ninja team! Battles against the likes of the six-armed Kirchonn The Invincible, the Time Ninja, Cardinsto - and his power over nature, The Insect Master and Gahrann The Dreamer! And discover the origins of the Masters of Spinjitzu!