Second class change queation

[OutForJustice]

Hello. Im palus knight with trial of the challenger,testimory fate. I would like to ask does anyone know, can i delete the trial of the challenger and start trial of duty quest for second class to become SK instead of BD? 

[Noveria]

Uh... Why not?

[Alpina]

u will regret ;d 

[Africa]

I think you can just start SK quests and become one

[OutForJustice]

Allright thank you!