Q 179
Are there any classes besides Hexblade that grant Mettle? If yes, what book are they from? There seems to be a Sohei class from OA, but I hear it sucks.
A 179: I believe that Crusader from ToB does so.
It does indeed. From Surreal's list of stuff on That Other Board:
Mettle
Hexblade 3
Pious Templar 1, ecl 6, Complete divine
Vigilante 9, ecl 14, Complete Adventurer
Witch Slayer 2, ecl 7, Tome of Magic
Sohei
Crusader 13, Tome of Battle
Deneith Warden 5, ecl 9, Eberron: Dragonmarked
Master Specialist (abjuration) 7, ecl 10, Complete Mage - works for all saves, see text
Argent Fist 8, ecl 13, Faiths of Eberron
Hellreaver 4, ecl 9, Fiendish Codex II
Kinslayer 1, ecl ?, Drow of the Underdark
Honorable Mention
Iron Mind 5, ecl 10, Races of Stone - "mettle of will" affects will saves only
Goliath Rogue 2 racial substitution level, ecl 3, Races of Stone - "mettle of mountains" affects Fort saves only, improves if later gain
improved evasion