From FFXI Wiki
Job Ability Information
Job Samurai
Type Level  
Level Obtained 95
Description Grants "Save TP" effect and a TP bonus to your next weapon skill.
Duration 00:01:00 or until next Weapon Skill.
Recast 00:03:00
Cumulative Enmity ?? Volatile Enmity ??
Command /ja "Hagakure" <me> 
Job Points
Category Hagakure Effect Ranks Available 20
Effect of each Rank Increases TP bonus by 10.