From Oct 19 to Oct 20, you can purchase [Limited] Battle Manual Box from the Cash Shop.

[Limited] Battle Manual Box (1750 Kafra Point)

Limited to 10 per account

• 5x Battle Manual 200

Notes:

• [Limited] Battle Manual Box is limited to 10 pcs per account.
  
• Sales will begin on Oct 19, 0000hrs and conclude on Oct 20, 2359hrs. (GMT+8)