Archer's Bane

From Final Fantasy Wiki

Archer's Bane, also known as Arrow Guard, is a Reaction ability in Final Fantasy Tactics. The Archer class learns it for 450 JP. It is similar to the Block Arrows reaction ability of the Archer in Final Fantasy Tactics Advance, in that they defend the unit against any Bow or Crossbow attacks.

v · e · dFinal Fantasy Tactics Abilities
Squire	Fundaments - Counter Tackle - Equip Axes - Beastmaster - Defend - JP Boost - Move +1
Chemist	Item - Auto Potion - Throw Items - Safeguard - Reequip - Treasure Hunter
Knight	Arts of War - Parry - Equip Swords - Equip Shield - Equip Heavy Armor
Archer	Aim - Adrenaline Rush - Archer's Bane - Equip Crossbows - Concentration - Jump +1
White Mage	White Magic - Regenerate - Arcane Defense
Black Mage	Black Magic - Magick Counter - Arcane Strength
Monk	Martial Arts - Critical: Recover HP - Counter - First Strike - Brawler - Lifefont
Thief	Steal - Vigilance - Gil Snapper - Sticky Fingers - Poach - Move +2 - Jump +2
Mystic	Mystic Arts - Absorb MP - Defense Boost - Ignore Weather - Manafont
Time Mage	Time Magic - Critical: Quick - Mana Shield - Swiftness - Teleport - Levitate
Geomancer	Terrain - Nature's Wrath - Attack Boost - Ignore Terrain - Lava Walking
Dragoon	Jump - Dragonheart - Equip Spear - Ignore Elevation
Orator	Speechcraft - Earplug - Equip Gun - Tame - Beast Tongue
Summoner	Summon Magic - Critical: Recover MP - Halve MP
Samurai	Iaido - Bonecrusher - Shirahadori - Equip Katana - Doublehand - Swim
Ninja	Throw - Vanish - Reflexes - Two Swords - Move in Water
Arithmetician	Arithmeticks - Cup of Life - Soulbind - EXP Boost - Accrue EXP - Accrue JP
Dancer	Dance - Fury - Bravery Boost - Jump +3 - Fly
Bard	Sing - Magick Boost - Faith Boost - Move +3 - Fly
Dark Knight	Darkness - Max HP Up - Vehemence - Move +3/Jump +3