is rogue-ninja ok if i have 170-200 latency?

[Campi]

NIN has three positionals: Armour Crush (flank), Aeolian Edge (rear), and Trick Attack (rear). Dragoon has four, while Monk has six.
Your ping may be too high for the Raiton Ninjutsu to be worth using, but it shouldn't keep you from playing the class, especially if you're not interested in playing it especially well.

NIN has 4
Armour Crush (flank), Aeolian Edge (rear), and Trick Attack (rear) and Sneak Attack (front)
And you use your positionals more often, than a drg