There isn't a black lightsaber crystal for Wii.
raxus prime
In the loo
Felucia, cloud city, and raxus prime(2nd visit)
yes
find them
Not in the game. It's only in the special edition 360 and PS3 games.
No
Ok, this one is kinda tricky, but it's in the death star level. It's in the part where all of the beams are, and it's at the top.
When he's dying you get his lightsaber and stab him in his back with his and your lightsaber and then he falls on the ground and dies
No, not on the X360 version.
There isn't one.