Okay, so this might just be me, but this moveset is actually pretty useful.
Pyroar - Female - EV trained in Sp Atk and Speed - Ability: Rivalry
Yeah, yeah. Scold me for not putting a fire type move on Pyroar's moveset. But this can actually be quite an advantage, given how opponents might react. (aka they think you'll be using a fire type move but actually not; pranked)
Attract may be a necessity for Pokemon, Pyroar in this case, with the ability Rivalry, in order to be safer against the opposite gender.
Toxic to inflict on the opponent while infatuated by Attract, for an extra wall to make sure they are slowly losing HP/unable to attack. Other status moves can be used if you want. Annoy the crap out the opponent, basically.
Hyper Voice is your stab move. Nothing much to say other than that.
Dark Pulse is your coverage move, making sure to take care of types that are resistant to Hyper Voice, such as Ghost, Rock and Steel types.
If you think there can be improvements added to this moveset, let me know!