Overview

The OS Mission is part of the Episode 17.1, check out the Illusion for more information.

Daily quest

Speak with Operation Officer at /navi sp_cor 160/55 and choose Prepare OS Mission 2. Talk to him again to enter the instance.
Walk to the left and kill all the monsters near /navi 1@os_a 207/75.
Continue and kill the monsters near /navi 1@os_a 207/75.
Continue and kill the monsters near /navi 1@os_a 213/131.
Continue and kill the monsters near /navi 1@os_a 248/155.
Continue and kill the monsters near /navi 1@os_a 219/185.
Miguel will spawn. Defeat him to complete the mission.
The Operation Officer is going to appear at /navi 1@os_a 187/195.
You will be rewarded with 5 Unknown Parts, 1 Cor Core and some experience.

Name	Level	HP	Size / Race / Element
Dolor	122	40,204	Medium / Demi-Human / Poison 2
Bellare	115	29,619	Medium / Demi-Human / Neutral 2
Twin Caput	125	41,735	Medium / Demi-Human / Shadow 2
Miguel	115	8,600,000	Medium / Demi-Human / Wind 4

Card	Type	Effects
Dolor Card	Accessory Card	Increases physical damage against Demon race monsters by 5%.
Bellare Card	Weapon Card	When compounded on Revolver, Hit + 20. Increases Long Range Physical Damage by 5%. Increases Long Range Physical Damage by additional 1% per refine rate. If refine rate is 10 or higher, increases Fire Dance damage by 15%.
Twin Caput Card	Armor Card	DEF + 50. Reduces physical and magical damage taken from poison property monsters by 10%.
Miguel Card	Shoes Card	Increases critical damage by 20%. Increases damage taken from all race monsters by 10%.