Continue playing to unlock this secret achievement.
Complete all missions on Normal or higher game difficulty.
Upgrade a sword.
Upgrade Ninjutsu.
Complete a Todomé attack.
Achieve a 10 Hit Combo.
Achieve a 3 Kill Combo.
Use the Cyclone Shuriken to put out a fire.
Use the Flame Shuriken to set an enemy on fire.
Use the Lightning Shuriken to charge the surface of water and shock an enemy.
Deflect an enemy's projectile.
Complete a Finish Attack.
Destroy a piece of armor.
Find a Shinobi Moji.
Find an outfit.
Find an emblem.
Upgraded all swords to their maximum level.
Upgraded all Ninjutsu to their maximum level.
Max out the Health Gauge.?
Max out the Chi Gauge.
Find 50% of the Shinobi Moji.
Find all the Shinobi Moji.
Collect all the outfits.
Collect all emblems.
Deflect 20 projectiles.
Kill 25 enemies with the Finish Attack move.
Complete Mission 001 within 30 minutes.
Complete Mission 002 with more than 20 Finish Attacks.
Complete Mission 003 with a Max Hit Combo above 30.
Complete Mission 004 with less than 30% jet plane damage.
Complete Mission 005 within 40 minutes.
Complete Mission 006 with a Max Kill Combo above 10.
Complete Mission 007 within 50 minutes.
Complete Mission 008 without taking 1000 points of damage.
Complete Mission 009 without retrying.
Achieve a Total Play Result A+ ranking.
Complete all missions on Hard or higher game difficulty.
Complete all missions without retrying.
Achieve 10 "Perfect" button presses in a row during a Quick Time Event.
Complete all missions using only one of the swords to attack.
Achieve a 100 Hit Combo.
Achieve a 50 Kill Combo.
