Crystal Boost Event

Crystal Boost Event is a limited-time event that promotes players to buy crystals by giving a discount for the price of Crystals in the Crystal Shop. In return, it supplies the player with additional Crystals.

List of Occurrences

 * 1) 29 April - 2 May 2014, 5 p.m. (GMT+9)
 * 2) 30 May - 2 June 2014, 5 p.m. (GMT+9)
 * 3) 1 - 3 July 2014, 4 p.m. (GMT+9)
 * 4) 1 - 4 August 2014, 5 p.m. (GMT+9)
 * 5) 3 September 2014, 5 p.m. (GMT+9)
 * 6) 29 September - 2 October 2014, 5 p.m. (GMT+9)
 * 7) 6 - 9 January 2015, 5 p.m. (GMT+9)
 * 8) 30 January - 2 February (?) 2015, 5 p.m. (GMT+9)
 * 9) 18 - 22 February 2015, 5 p.m. (GMT+9)
 * 10) 29 March - 2 April 2015, 5 p.m. (GMT+9)
 * 11) 30 April - 3 May 2015, 5 p.m. (GMT+9)
 * 12) 29 May - 1 June 2015, 5 p.m. (GMT+9)
 * 13) 17 - 20 July 2015, 5 p.m. (GMT+9)
 * 14) 7 - 10 August 2015, 5 p.m. (GMT+9)
 * 15) 30 September - 2 October 2015, 5 p.m. (GMT+9)
 * 16) 13 - 16 November 2015, 5 p.m. (GMT+9)
 * 17) 27 - 30 November 2015, 5 p.m. (GMT+9)
 * 18) 11 - 14 December 2015, 5 p.m. (GMT+9)
 * 19) 31 December 2015 - 4 January 2016, 5 p.m. (GMT+9)
 * 20) 5 - 8 February 2016, 5 p.m. (GMT+9)

Trivia

 * Usually this event is accompanied with the x3 Gift Points event. Otherwise it would be usually active during the beginning of the month.
 * The third season, Edge of the World, is the only season that does not have this event.