Blade Master Quest:

Blade Master

Airblade

Requirement: Lv 65
Location: Soldiers Guild, Goldburg
Details: Attack all enemies in one row. Uses 35 mp.

Procedure:
- Talk to Cybalos, Soldiers Guild, Goldburg (7,34) and you will learn Airblade.


Phoenix

Requirement: Learnt Airblade, Lv 70.
Location: Soldiers Guild, Goldburg
Details: Attack all enemies in a row. Uses 40 mp.

Procedure:
- Talk to Cybalos, Soldiers Guild, Goldburg (7,34). Remember not to wear any dex equipment.
- Cybalos will ask you to increase your dexerity (by some points, seems to be random). You can use dex equipment to do the increase.
- Talk to Cybalos again and he will ask you to defeat Wilson (one on one), Guru Island (26,61). Wilson is level 70.
- Report back to Cybalos after defeating Wilson. Cybalos will then tell you to collect 10 phoenix feathers.
- Return to Guru Island and find Phoenix (random encounters). After collecting 5 feathers, you will find that the encounter rate has lessened considerably. At this point, you can buy feathers from Wilson. A feather costs 30,000 coins.
- Return to Cybalos after getting 10 feathers and you will learn Phoenix.

~quest ends~

Credit: Pipa's Forums