sorry to burst your bubble, but ariados can't learn shadow ball.
Actually, it does learn Shadow Ball. It learns it at level 33, or through TM.
It can be if you teach it the right moves.
yes it can
yep
Yes.
Yes it can.
Umbreon never learns Shadow Ball without a TM.
It evolves into Beastyena using a Dusk Stone.
yes
Lv.41
By TM.