Yes
But here is a good moveset for honchkrow
dark pulse
night slash
fly
and nasty plot or swords dance
honchcrow learns it
No. Roserade cannot learn Dark Pulse. Sorry.
No, Luxray cannot learn or be taught Dark Pulse.
It doesnt learn dark pulse through leveling up. to teach absol dark pulse you have to buy it from the celadon department store.
Garchomp is not able to learn the move Dark Pulse. Garchomp does however learn Crunch at level 48 which is a physical counterpart to Dark Pulse. Crunch is a much more powerful dark type move for Garchomp as it takes advantage of it's high Attack stat.
Yes, it can learn Dark Pulse and Payback through TMs
Neither Murkrow or Honchkrow are able to learn Brave Bird.
Darkrai learns Dark Pulse at level 93.
Level 44
Level 55
Honchkrow is #430 in the national pokedex, and it is a Dark-Flying type Pokemon.
Murkrow can't learn it by levelling up. You'll have to use TM79 on it.