for godsake.... the ninja it's a killer and a sneaky class.... not a tank... it was a pure nonsense the ninja in ff11... don't redo the same mistake.
the tank in the game have 2 trouble:
1) the look of most of the tank armor are simply ugly... look at this freaking tin can that is the darklight. even the armor from ct look nice on girl and on male it look...weird.
2) let's face it... the class by itself is boring... you simply spamming the same skill over and over... the paladin use the same combo 1 freaking combo! where the other class have more choice.
make the tank more enjoyable and less boring, the armor get a decent look and then you will solve the tank shortage.
i love people that talk of the class and say, yeah it was not like this... indeed the summoner in the Final fantasy solo game are simply using them summon... but in the world of the mmorpg you need more for be viable. time to get your pink glasse off and think a bit.
i will repeat it one more time:
Ninja it's a spy and an assassin, it use the shadow for reach him target or spy the enemy... it's the inverse of a tank that want to be in middle of the melee... a ninja will avoid a big fight if he can...
stop with the ninja as tank... and think a bit.
http://en.wikipedia.org/wiki/Ninja