Make a small change that would break a class completely.

[Lilyarel]

Such as "Fire 2 now has a 40% chance to proc a Flare with no cast time with no mana cost.'

[Reokudo]

Casting any Ninjitsu has a 50% chance of causing the Ninja to use Mijin Gakure, causing a massive explosion dealing a lot of fire damage at the expense of their life.

[DefendPopPunk]

Bard is given a damage dealing limit break.

[Orphan_Benn]

Dying as a Dragoon causes 99999 damage to all other players in your party/alliance.

[AskaRay]

Bards can no longer move and attack

ouch

[Kaze3434]

Bard is given a damage dealing limit break.

its already going to happen.

[Neuflune]

Dying as a Dragoon causes 99999 damage to all other players in your party/alliance.

OH, GOOD GODS. NO.

[Cluebilly]

Casters can attack while moving

[Musashidon]

a class or a job? everyone has been breaking jobs not classes even OP :P

[TruebladeNuke]

Hallowed Ground is buffed from 10 seconds to 2 minutes and is applied to the whole party and not just the PLD, making the whole team invincible and allowing them to curb stomp everything.

... I can dream right?