Ninjas is one of several powersets which can be sourced to multiple powersources. In this case both Weapons and Martial Arts.
Ninjas
Tier 1: Summon Jonin The basic summoning power of the Ninja allies set, Summon Jonin calls a single Ninja. This Ninja is armed with a Katana and a few Shuriken and only uses a few attacks.
Tier 2: Training This is the first of two powers which upgrade your Ninja allies with more attacks and greater defensive powers. Selecting this power unlocks a Second Jonin for your Summon Jonin power.
Tier 3: Summon Chunin The second summoning power of the Ninja Allies set, Summon Chunin calls a stronger and more talented Ninja than Summon Jonin. He is armed with a Bow and prefers to dispatch enemies from afar.
Tier 4: Ninja Vanish A Click power which causes all of your Ninja Allies to throw down a smokebomb, creating a PBAoE accuracy and perception debuff while simultaneously putting the Ninjas into stealth. Selecting this power unlocks a Third Jonin for your Summon Jonin power.
Tier 5: Stealth Stealth is a Toggle power which puts all of your Ninja Allies and yourself into a stealthed state. While stealthed you and your Ninja gain a moderate defense buff, and a minor defense buff while the toggle is on but you are not stealthed. Selecting this power unlocks a second Chunin for your Summon Chunin power.
Tier 6: Summon Kage The Kage are the strongest of Ninja and bear the name "Shadow". Armed with Ninjato and Tanto, the Kage prefers to strike from stealth and gains a massive bonus to damage while hidden.
Tier 7: EquipmentThe second power which upgrades your Ninja's abilities, equipment unlocks new powers for each type of Ninja.
Tier 8: A Thousand Cuts A Thousand Cuts is a click power which causes all of your ninja to teleport to each target within a ground targeted area, strike once, and return to their starting positions.
Ninjas
Tier 1: Summon Jonin The basic summoning power of the Ninja allies set, Summon Jonin calls a single Ninja. This Ninja is armed with a Katana and a few Shuriken and only uses a few attacks.
Tier 2: Training This is the first of two powers which upgrade your Ninja allies with more attacks and greater defensive powers. Selecting this power unlocks a Second Jonin for your Summon Jonin power.
Tier 3: Summon Chunin The second summoning power of the Ninja Allies set, Summon Chunin calls a stronger and more talented Ninja than Summon Jonin. He is armed with a Bow and prefers to dispatch enemies from afar.
Tier 4: Ninja Vanish A Click power which causes all of your Ninja Allies to throw down a smokebomb, creating a PBAoE accuracy and perception debuff while simultaneously putting the Ninjas into stealth. Selecting this power unlocks a Third Jonin for your Summon Jonin power.
Tier 5: Stealth Stealth is a Toggle power which puts all of your Ninja Allies and yourself into a stealthed state. While stealthed you and your Ninja gain a moderate defense buff, and a minor defense buff while the toggle is on but you are not stealthed. Selecting this power unlocks a second Chunin for your Summon Chunin power.
Tier 6: Summon Kage The Kage are the strongest of Ninja and bear the name "Shadow". Armed with Ninjato and Tanto, the Kage prefers to strike from stealth and gains a massive bonus to damage while hidden.
Tier 7: EquipmentThe second power which upgrades your Ninja's abilities, equipment unlocks new powers for each type of Ninja.
Tier 8: A Thousand Cuts A Thousand Cuts is a click power which causes all of your ninja to teleport to each target within a ground targeted area, strike once, and return to their starting positions.