How do you get rilou egg

first empty one Pokemon to have room go to iron island go through the whole cave at tghe end this boy with all blue on will give u a rilou egg.PS heres a cheat to hatch the egg quicker. go to solaceon town ride your bike at full speed a few times on the right path just keep going up and down and it will hatch
PS hes on the left when u go down the scale
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Cheers Pal. Worked Perfectly. =]