Just a little tidbit for the Nightbane fight for anyone who doesn't love stance dancing manually
# show Berserker Rage
/cast [stance:3] Berserker Rage; Berserker Stance
/cast [noequipped:shields] Battle Stance; Defensive Stance
First click puts you in Zerker stance, then casts Berserker Rage, then click again to put back into Def stance.