Retro diary made unobtainable. (when obtainable spawn rate was unknow)

retro diary in someones hand
Retro diary used on Star Platinum (Evolved) to make Retro Platinum
Retro diary made unobtainable. (when obtainable spawn rate was unknow)
retro diary in someones hand
Retro diary used on Star Platinum (Evolved) to make Retro Platinum