Ertheia's Boost Scroll
When used, for 30 min., P. Atk. +30%, M. Atk. +30%, Critical Damage for basic attacks +15%, P. Skill Critical Damage +15%, M. Skill Critical Damage +15%, Speed +20, MP Consumption -15%.
Not dropped by monsters.
Cannot be spoiled.
The chances are official (x1). On servers with x10, x100 and higher rates, drop and spoil come more often.