Speak to Gordon @ 1468 27 -525
Speak to Dr Rein at the entrance of the observatory @ 1372 54 -613
Find Dr. Van Nostrand at his home on Kinetic Island @ 1508 29 -434
Beat Ayumu @ 1362 56 -645
Lv 65 Slowbro
Lv 65 Grumpig
Beat Dr. Luminaut @ 1374 56 -656
Lv 68 Crawdaunt
Lv 68 Umbreon
Beat Richard @ 1354 56 -678
Lv 69 Shiftry
Lv 69 Whiscash
Beat Dr. Partly @ 1335 56 -645
Lv 70 Sharpedo
Lv 70 Absol
Lv 70 Espeon
Find where Haru is hiding @ 1334 56 -675
Lv 71 Blaziken
Lv 71 Houndoom
Lv 71 Arcanine
Lv 71 Flareon
Beat the Mysterious Pokemon at the top of the observatory @ 1436 105 -610
You can get to the rooftop via the doorway behind and to the right of Haru
Lv 74 Alakazam
Lv 75 Medicham
Lv 74 Metagross
After you battle the Mysterious Pokemon you will complete the quest and receive the following rewards: