Is this true about Black Flutes in Gen. 3?

Question

For example,I have a 2% chance of meeting Chimecho on Mt.Pyre.If I used a Black Flute,the rate of meeting it would increase to a few percents.Is this true?

Answer 1

No, that's the job the the White Flute.

Source

Comments

oh,sorry.i have mistaken the flute.but the function is the same?