Patch notes of April 20th, 2017 (Edited)

Event schedule and rewards will be changed - Every Tuesday and Friday
will be obtainable from Metal Drill EXP, Zen, Deco, and also 's rate will be increased.
Costume items' selling price (to NPC) will be back to before the last update.
The rate of every arcades' clear reward and Boss monsters' drop items will be increased.
New Contents - Players can upgrade Deco costume with DEco Machine - If successful, either the type of costume will be changed or the grade will be increased. - Available via Deco Machine in Zone3 near the NPC Chao Lan - , will be added on Cash shop and Deco Machine store.
New Cash items - : A random box items that can be obtained one of +10~+15 ORB * Only 1 time purchasable per a character * 499 Cash - : A package containing Deco costume sets * Only 1 time purchasable per a character * 99 Cash * Unique / Lv.1
Quest content: '[Daily] Body Warm-Up Exercise' quest contents change - Quest title: [Daily] By-X wipe out - Contents: Talking to Emma Momsen
The bug about Universal adapter on 'Demon Wing' costume will be fixed.