Get the silph scope.
You cannot catch the ghost in the Pokemon Tower until you reveal what it really is.
Technically yes and no a GHOST can't be captured but with the silph scope you can reveal the Pokemon's true identity which is gastly which is a ghost Pokemon so that makes sense.
You need the Silph Scope from the Rocket base in Celadon City, that will automatically reveal the Lv 30 ghost as a Marowak.
beat the rockets in celadon (search the poster) and giovani will give you the silph scope, go to the Pokemon tower and use it
shadow ball is the strongest ghost TM
HOW AM I SUPOSED TO KNOW ASK SOMEONE ELSE
The cast of Project Reveal Real Ghost Hunters - 2013 includes: Chrissie Rising as Chrissie Lee Steer as Lee
you need to find the silph scope this will reveal the ghost to be a marowak you can then defeat it
You cannot catch it without cheat codes because the Marowak is a scripted special Pokemon "ghost." If you really want a Marowak, you can get one by evolving a cubone or catching one on Victory Road.
The ghost of Caesar revealed to Brutus that he will meet him again at Phillipi.
I don't know what tower you're talking about but I'f it's the ghost one you need the silph scope to see the ghost, It's a marowack but you cant capture it, because it's still a ghost but you can see it with silph scope.
You need to get the Silph Scope from the Team Rocket Hideout in Celadon City.