"Alright Surprise!, time to knock this shrine maiden into the stratosphere!"
Night Daze > Flamethrower > Night Daze IF Toxic Spikes is issued, AND Necturna is not Taunted, THEN use Taunt on the first instance. IF Pain Split is issued, AND Necturna is not Taunted, THEN use Taunt on the first instance.
Just a nitpick, Zoroark only has R5 SpA, & Necturna has R5 Sp. Defence, so there should be no +1.5 to the calcs, though it does not appear to make a difference to the final result. Also, Pwne said on IRC he is not equipping anything.
"Alright Surprise!, time to make one final parting shot!"
Agility (Evade) + Pursuit combo > N/A (Agility (Evade) + Pursuit combo) > Flamethrower IF Agility (Evade) & Pursuit could not be suitably combined, THEN change your course of action to Flamethrower > Flamethrower > Flamethrower.