From FFXI Wiki
Job Ability Information
Job Rune Fencer
Type Level  
Level Obtained 50
Description Reduces elemental damage for party members within area of effect. The types of elemental damage reduced depend on the runes you harbor.
Duration 3:00
Range 14.0' Radius
Recast 5:00
Cumulative Enmity 450 Volatile Enmity 900
Command /ja "Valiance" <me> 
Merit Points
Group 1 Ranks Available 5
Effect of each Rank Increases damage reduction by 1% per merit level per Rune
Job Points
Category Vallation Duration Ranks Available 20
Effect of each Rank Increase effect duration by 1 second.



Equipment Modifying Ability...
Equipment Piece Modifier
Runeist Coat Duration +15 seconds.
Runeist Coat +1 Duration +15 seconds.
Runeist's Coat +2 Duration +17 seconds.
Runeist's Coat +3 Duration +19 seconds.
Ogma's cape Duration +15 seconds.