there is no trainer with a luminion.
The first trainer on the way to the Pokemon league has a luminion.
Yes!, its near sunny shore city on the way! or fish for it!
Free
The trainer is on route 223 and is the first female swimmer you see, she has only luminion but it is at lv 43 so have a strong team my team was Infernape lv 63, Dragonite lv 100, staraptor lv 43 and floatzel lv 43!
Fish at Canalave City with Super Rod.
level 31. :)
battle a friend that has it... or ask him/her how they got it
Go to Sunnyshore city, and walk north until you reach the beach. Use Surf and the first trainer you encounter is a girl named Miranda swimming back and forth. She has one pokemon, it's Lumineon.
You can find the trainer for Chaos Faction at www.arcadeprehacks.com.
Where do you find a trainer who has a glacion in pokemon platnum?
Trainer on route214
no trainer has it and you will have to hope for luck if you find hippopotas