40 Point Buy. ECL 10. Any race or clan or template you can justify as being fluffily sound. Homebrew is, by all means, encouraged.
1 Power Unit (+1 to his Learn checks, +2 bonus to Chakra Pool, +1 bonus to attack rolls, +1 bonus to saving throws, +2 bonus to Balance, Climb, Hide, Jump, Listen, Move Silently, Spot, Swim and Tumble checks, +2 bonus to Initiative)
Able to learn techniques with only half the normal time.
Able to move at up to 5 times his normal speed.
Balance, Chakra Control, Climb, Disguise, Genjutsu, Hide, Listen, Move Silently, Ninjutsu, Search, Spot, Survival and Taijutsu as permanent class skills.
Able to recover Chakra loss twice as fast.
Starting techniques;
Rank 1 Techniques: 2d4+10, as well as Bunshin no Jutsu, Henge no Jutsu and Kawarimi no Jutsu (If you have ranks in Ninjutsu)
Rank 2 Techniques: 9
Rank 3 Techniques: 8
Rank 4 Techniques: 7
Rank 5 Techniques: 6
Rank 6: Techniques: 5
Rank 7 Techniques: 4
Rank 8 Techniques: 3
Rank 9 Techniques: 2
Rank 10 Techniques: 1
Add +1 to all (including Rank 11) if taking the Genius Nin feat.
Masteries: 1d4+Level (x1.5 with Grand Master feat)
Proficiency:
Tough Heroes: Light, Medium, and Heavy Armor, Simple Weapons Proficiency
Strong & Dedicated Heroes: Light and Medium Armor, Simple Weapons Proficiency
Fast, Smart & Charismatic Heroes: Light Armor, Simple Weapons Proficiency
Any class or occupation that grants Nin Weapons Proficiency as a possible bonus feat will also offer Archaic Weapons Proficiency.
Any class that requires Nin Weapons as a prerequisite will also accept Archaic Weapons.
Only Archaic armor is generally available. This does include Battle Vests. Ninja Vests and Reinforced Suits would be considered cutting-edge technology and haven't caught on yet.