Allow reforge 3 chaos fate to a random one

I understand that the goal is to beat each one of the boss 1 time as the final boss.
But I have beaten chaos pinnacle boss 3 time already, I also finish the challenge 9 time out of 10, but I have a lot of 2 of the Fate and not the 3rd.

I don't know if it's possible to trade it I play SSF.
I would like to be able to reforge 3 of the Fate idol into a random one.
Right now I am at something like 10 Fate idol from the bird, 7 from the chimera and none from the dead bird.

Each time I start a Chaos run and see the dead bird as the first boss, I am tempted to skip the end of the run....
But I really like chaos run except that ... RNG is RNG.

Thank you for the overall great game !! Having a lot of fun so far.