Template:LoSEventInfo

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 * Keep ex and gx blank if there are no extra Idols to be accounted for an Event or Gacha, respectively.
 * If there are more than three Event Idols or more than two Gacha Idols, make sure the ex and gx parameters are not blank so that the extra Idols (e4, e5, g3) can be included.
 * There is no parameter to put the Event name because it automatically takes it from the page name, which should be the Event name in the first place.