FearLess Cheat Engine

Is there a possible cheat to up the drop rate for Boss Skills? Upping the normal drop rate or max rarity alone via other CT's still wont drop boss skill(s) I used the fearlessrevolution trainer for max drop rate and got boss skills pretty easily. Yeah I tried it to, still on like 15x kills agains't...

Is there a possible cheat to up the drop rate for Boss Skills?
Upping the normal drop rate or max rarity alone via other CT's still wont drop boss skill(s)