Haku's Blessing

Anyone else? I'm primarily asking because two people have shown that Haku with the higher magic attack fan adds more range (thus implying that it's 50% of the fan's magic attack is added to the fan and then your range) and two people have shown that Kanna with the higher magic attack fan adds more range (thus implying that it's only 50% of the fan's magic attack). The two people with higher ranges when Haku holds it are ultra funded and the two people with higher ranges when Kanna holds it are not nearly as funded (we're talking like 300-400k range versus 7-50k ranges here).

Is it possible that Haku multiplies fans' potentials in any way?