Upgrade Fishing Skill

Fishing skill upgrade rate * you need 10 pcs X refine lvl of any lvl Starchum to upgrade its skill (example: lvl 1 = 10 , lvl 2 = 20, and so on)

Material	LVL 1 - 5	LVL 6	LVL 7	LVL 8 - 10
Lvl 1 Starchum	40%	30%	25%	20%
Lvl 2 Starchum	40%	35%	30%	25%
Lvl 3 Starchum	50%	40%	35%	30%
Lvl 4 Starchum	60%	45%	40%	35%