In response to Tiberius’ fusing thread which can be found here.
Tiberius makes perfect sense, considering the fact that I have done a multitude of fusions and always received the higher grade. But that poses the question, how is it determined when fusing to create the OM arkadions that take four or five to fuse? Such as possibly averaging all of them, and if the supposed idea that grades are always rounded up is true, then it would be a relatively simple process to determine the grade outcome.
As Tiberius said, each grade could be assigned a numerical value, and you take the mean of all the values (which from my testing is how it works):
You need to find the average, and then round. S and A…6+5=11. 11/2=5.5…5 to the sky, 4 to the floor. Rounds to 6, making S. Got it? S+B…6+4=10…10/2=5…makes A. S+S+S+A+B…6+6+6+5+4.=27…27/5=5.4…rounds down to 5, makes A.
As such, using these numbers,***See values I will make this post no longer completely useless and provide a list that people could possibly verify using this method: (WARNING: This list is going to be really, really, really long) ; I have no life. So it will concealed in a Spoiler!
***S=6, A=5, B=4 C=3 D=2 E=1
Ctrl + F to search for any specific 5 Arkadion grade combination! (Open the spoiler you want first) Arrange them from highest to lowest and put a + between each! Example: S+A+A+B+E
I NEED THESE VERIFIED! (Or Discredited): Specifically Borderline Rank Combinations
5 Arkadions used for fusion
Highest Grade used in Fusion is S rank:
[spoiler]S+S+S+S+S= 30/5 = 6 = S (Included for the sake of completion)
S+S+S+S+A= 29/5 = 5.8 = S
S+S+S+S+B= 28/5 = 5.6 = S
S+S+S+S+C= 27/5 = 5.4 = A
S+S+S+S+D= 26/5 = 5.2 = A
S+S+S+S+E= 25/5 = 5 = A
S+S+S+A+A= 28/5 = 5.6 = S
S+S+S+A+B= 27/5 = 5.4 = A
S+S+S+A+C= 26/5 = 5.2 = A
S+S+S+A+D= 25/5 = 5 = A
S+S+S+A+E= 24/5 = 4.8 = A
S+S+S+B+B= 26/5 = 5.2 = A
S+S+S+B+C= 25/5 = 5 = A
S+S+S+B+D= 24/5 = 4.8 = A
S+S+S+B+E= 23/5 = 4.6 = A
S+S+S+C+C= 24/5 = 4.8 = A
S+S+S+C+D= 23/5 = 4.6 = A
S+S+S+C+E= 22/5 = 4.4 = B
S+S+S+D+D= 22/5 = 4.4 = B
S+S+S+D+E= 21/5 = 4.2 = B
S+S+S+E+E= 20/5 = 4 = B
:::::::::::::::::::::::
S+S+A+A+A= 27/5 = 5.4 = A
S+S+A+A+B= 26/5 = 5.2 = A
S+S+A+A+C= 25/5 = 5 = A
S+S+A+A+D= 24/5 = 4.8 = A
S+S+A+A+E= 23/5 = 4.6 = A
S+S+A+B+B= 25/5 = 5 = A
S+S+A+B+C= 24/5 = 4.8 = A
S+S+A+B+D= 23/5 = 4.6 = A
S+S+A+B+E= 22/5 = 4.4 = B
S+S+A+C+C= 23/5 = 4.6 = A
S+S+A+C+D= 22/5 = 4.4 = B
S+S+A+C+E= 21/5 = 4.2 = B
S+S+A+D+D= 21/5 = 4.2 = B
S+S+A+D+E= 20/5 = 4 = B
S+S+A+E+E= 19/5 = 3.8 = B
::::::::::::::::::::::
S+S+B+B+B= 24/5 = 4.8 = A
S+S+B+B+C= 23/5 = 4.6 = A
S+S+B+B+D= 22/5 = 4.4 = B
S+S+B+B+E= 21/5 = 4.2 = B
S+S+B+C+C= 22/5 = 4.4 = B
S+S+B+C+D= 21/5 = 4.2 = B
S+S+B+C+E= 20/5 = 4 = B
S+S+B+D+D= 20/5 = 4 = B
S+S+B+D+E= 19/5 = 3.8 = B
S+S+B+E+E= 18/5 = 3.6 = B
:::::::::::::::::::
S+S+C+C+C= 21/5 = 4.2 = B
S+S+C+C+D= 20/5 = 4 = B
S+S+C+C+E= 19/5 = 3.8 = B
S+S+C+D+D= 19/5 = 3.8 = B
S+S+C+D+E= 18/5 = 3.6 = B
S+S+C+E+E= 17/5 = 3.4 = C
:::::::::::::::::::
S+S+D+D+D= 18/5 = 3.6 = B
S+S+D+D+E= 17/5 = 3.4 = C
S+S+D+E+E= 16/5 = 3.2 = C
:::::::::::::::::::
S+S+E+E+E= 15/5 = 3 = C
:::::::::::::::::::
S+A+A+A+A= 26/5 = 5.2 = A
S+A+A+A+B= 25/5 = 5 = A
S+A+A+A+C= 24/5 = 4.8 = A
S+A+A+A+D= 23/5 = 4.6 = A
S+A+A+A+E= 22/5 = 4.4 = B
S+A+A+B+B= 24/5 = 4.8 = A
S+A+A+B+C= 23/5 = 4.6 = A
S+A+A+B+D= 22/5 = 4.4 = B
S+A+A+B+E= 21/5 = 4.2 = B
S+A+A+C+C= 22/5 = 4.4 = B
S+A+A+C+D= 21/5 = 4.2 = B
S+A+A+C+E= 20/5 = 4 = B
S+A+A+D+D= 20/5 = 4 = B
S+A+A+D+E= 19/5 = 3.8 = B
S+A+A+E+E= 18/5 = 3.6 = B
::::::::::::::::::::
S+A+B+B+B= 23/5 = 4.6 = A
S+A+B+B+C= 22/5 = 4.4 = B
S+A+B+B+D= 21/5 = 4.2 = B
S+A+B+B+E= 20/5 = 4 = B
S+A+B+C+C= 21/5 = 4.2 = B
S+A+B+C+D= 20/5 = 4 = B
S+A+B+C+E= 19/5 = 3.8 = B
S+A+B+D+D= 19/5 = 3.8 = B
S+A+B+D+E= 18/5 = 3.6 = B
S+A+B+E+E= 17/5 = 3.4 = C
::::::::::::::::::::
S+A+C+C+C= 20/5 = 4 = B
S+A+C+C+D= 19/5 = 3.8 = B
S+A+C+C+E= 18/5 = 3.6 = B
S+A+C+D+D= 18/5 = 3.6 = B
S+A+C+D+E= 17/5 = 3.4 = C
S+A+C+E+E= 16/5 = 3.2 = C
::::::::::::::::::::
S+A+D+D+D= 17/5 = 3.4 = C
S+A+D+D+E= 16/5 = 3.2 = C
S+A+D+E+E= 15/5 = 3 = C
::::::::::::::::::::
S+A+E+E+E= 14/5 = 2.8 = C
::::::::::::::::::::
::::::::::::::::::::
S+B+B+B+B= 22/5 = 4.4 = B
S+B+B+B+C= 21/5 = 4.2 = B
S+B+B+B+D= 20/5 = 4 = B
S+B+B+B+E= 19/5 = 3.8 = B
S+B+B+C+C= 20/5 = 4 = B
S+B+B+C+D= 19/5 = 3.8 = B
S+B+B+C+E= 18/5 = 3.6 = B
S+B+B+D+D= 18/5 = 3.6 = B
S+B+B+D+E= 17/5 = 3.4 = C
S+B+B+E+E= 16/5 = 3.2 = C
::::::::::::::::::::
S+B+C+C+C= 19/5 = 3.8 = B
S+B+C+C+D= 18/5 = 3.6 = B
S+B+C+C+E= 17/5 = 3.4 = C
S+B+C+D+D= 17/5 = 3.4 = C
S+B+C+D+E= 16/5 = 3.2 = C
S+B+C+E+E= 15/5 = 3 = C
::::::::::::::::::::
S+B+D+D+D= 16/5 = 3.2 = C
S+B+D+D+E= 15/5 = 3 = C
S+B+D+E+E= 14/5 = 2.8 = C
::::::::::::::::::::
S+B+E+E+E= 13/5 = 2.6 = C
::::::::::::::::::::
::::::::::::::::::::
S+C+C+C+C= 18/5 = 3.6 = B
S+C+C+C+D= 17/5 = 3.4 = C
S+C+C+C+E= 16/5 = 3.2 = C
S+C+C+D+D= 16/5 = 3.2 = C
S+C+C+D+E= 15/5 = 3 = C
S+C+C+E+E= 14/5 = 2.8 = C
::::::::::::::::::::
S+C+D+D+D= 15/5 = 3 = C
S+C+D+D+E= 14/5 = 2.8 = C
S+C+D+E+E= 13/5 = 2.6 = C
::::::::::::::::::::
S+C+E+E+E= 12/5 = 2.4 = D
::::::::::::::::::::
::::::::::::::::::::
S+D+D+D+D= 14/5 = 2.8 = C
S+D+D+D+E= 13/5 = 2.6 = C
S+D+D+E+E= 12/5 = 2.4 = D
::::::::::::::::::::
S+D+E+E+E= 11/5 = 2.2 = D
::::::::::::::::::::
::::::::::::::::::::
S+E+E+E+E= 10/5 = 2 = D
::::::::::::::::::::
::::::::::::::::::::
::::::::::::::::::::[/spoiler]
Highest Grade used in Fusion is A rank:
[spoiler]A+A+A+A+A= 25/5 = 5 = A
A+A+A+A+B= 24/5 = 4.8 = A
A+A+A+A+C= 23/5 = 4.6 = A
A+A+A+A+D= 22/5 = 4.4 = B
A+A+A+A+E= 21/5 = 4.2 = B
A+A+A+B+B= 23/5 = 4.6 = A
A+A+A+B+C= 22/5 = 4.4 = B
A+A+A+B+D= 21/5 = 4.2 = B
A+A+A+B+E= 20/5 = 4 = B
A+A+A+C+C= 21/5 = 4.2 = B
A+A+A+C+D= 20/5 = 4 = B
A+A+A+C+E= 19/5 = 3.8 = B
A+A+A+D+D= 19/5 = 3.8 = B
A+A+A+D+E= 18/5 = 3.6 = B
A+A+A+E+E= 17/5 = 3.4 = C
::::::::::::::::::::
A+A+B+B+B= 22/5 = 4.4 = B
A+A+B+B+C= 21/5 = 4.2 = B
A+A+B+B+D= 20/5 = 4 = B
A+A+B+B+E= 19/5 = 3.8 = B
A+A+B+C+C= 20/5 = 4 = B
A+A+B+C+D= 19/5 = 3.8 = B
A+A+B+C+E= 18/5 = 3.6 = B
A+A+B+D+D= 18/5 = 3.6 = B
A+A+B+D+E= 17/5 = 3.4 = C
A+A+B+E+E= 16/5 = 3.2 = C
:::::::::::::::::::::
A+A+C+C+C= 19/5 = 3.8 = B
A+A+C+C+D= 18/5 = 3.6 = B
A+A+C+C+E= 17/5 = 3.4 = C
A+A+C+D+D= 17/5 = 3.4 = C
A+A+C+D+E= 16/5 = 3.2 = C
A+A+C+E+E= 15/5 = 3 = C
:::::::::::::::::::::
A+A+D+D+D= 16/5 = 3.2 = C
A+A+D+D+E= 15/5 = 3 = C
A+A+D+E+E= 14/5 = 2.8 = C
:::::::::::::::::::::
A+A+E+E+E= 13/5 = 2.6 = C
:::::::::::::::::::::
:::::::::::::::::::::
A+B+B+B+B= 21/5 = 4.2 = B
A+B+B+B+C= 20/5 = 4 = B
A+B+B+B+D= 19/5 = 3.8 = B
A+B+B+B+E= 18/5 = 3.6 = B
A+B+B+C+C= 19/5 = 3.8 = B
A+B+B+C+D= 18/5 = 3.6 = B
A+B+B+C+E= 17/5 = 3.4 = C
A+B+B+D+D= 17/5 = 3.4 = C
A+B+B+D+E= 16/5 = 3.2 = C
A+B+B+E+E= 15/5 = 3 = C
:::::::::::::::::::::
A+B+C+C+C= 18/5 = 3.6 = B
A+B+C+C+D= 17/5 = 3.4 = C
A+B+C+C+E= 16/5 = 3.2 = C
A+B+C+D+D= 16/5 = 3.2 = C
A+B+C+D+E= 15/5 = 3 = C
A+B+C+E+E= 14/5 = 2.8 = C
:::::::::::::::::::::
A+B+D+D+D= 15/5 = 3 = C
A+B+D+D+E= 14/5 = 2.8 = C
A+B+D+E+E= 13/5 = 2.6 = C
:::::::::::::::::::::
A+B+E+E+E= 12/5 = 2.4 = D
:::::::::::::::::::::
:::::::::::::::::::::
A+C+C+C+C= 17/5 = 3.4 = C
A+C+C+C+D= 16/5 = 3.2 = C
A+C+C+C+E= 15/5 = 3 = C
A+C+C+D+D= 15/5 = 3 = C
A+C+C+D+E= 14/5 = 2.8 = C
A+C+C+E+E= 13/5 = 2.6 = C
:::::::::::::::::::::
A+C+D+D+D= 14/5 = 2.8 = C
A+C+D+D+E= 13/5 = 2.6 = C
A+C+D+E+E= 12/5 = 2.4 = D
:::::::::::::::::::::
:::::::::::::::::::::
A+D+D+D+D= 13/5 = 2.6 = C
A+D+D+D+E= 12/5 = 2.4 = D
A+D+D+E+E= 11/5 = 2.2 = D
:::::::::::::::::::::
A+D+E+E+E= 10/5 = 2 = D
:::::::::::::::::::::
:::::::::::::::::::::
A+E+E+E+E= 9/5 = 1.8 = D
:::::::::::::::::::::
:::::::::::::::::::::
:::::::::::::::::::::[/spoiler]
Highest Grade used in Fusion is B rank:
[spoiler]B+B+B+B+B= 20/5 = 4 = B
B+B+B+B+C= 19/5 = 3.8 = B
B+B+B+B+D= 18/5 = 3.6 = B
B+B+B+B+E= 17/5 = 3.4 = C
B+B+B+C+C= 18/5 = 3.6 = B
B+B+B+C+D= 17/5 = 3.4 = C
B+B+B+C+E= 16/5 = 3.2 = C
B+B+B+D+D= 16/5 = 3.2 = C
B+B+B+D+E= 15/5 = 3 = C
B+B+B+E+E= 14/5 = 2.8 = C
:::::::::::::::::::::
B+B+C+C+C= 17/5 = 3.4 = C
B+B+C+C+D= 16/5 = 3.2 = C
B+B+C+C+E= 15/5 = 3 = C
B+B+C+D+D= 15/5 = 3 = C
B+B+C+D+E= 14/5 = 2.8 = C
B+B+C+E+E= 13/5 = 2.6 = C
:::::::::::::::::::::
B+B+D+D+D= 14/5 = 2.8 = C
B+B+D+D+E= 13/5 = 2.6 = C
B+B+D+E+E= 12/5 = 2.4 = D
:::::::::::::::::::::
B+B+E+E+E= 11/5 = 2.2 = D
:::::::::::::::::::::
:::::::::::::::::::::
B+C+C+C+C= 16/5 = 3.2 = C
B+C+C+C+D= 15/5 = 3 = C
B+C+C+C+E= 14/5 = 2.8 = C
B+C+C+D+D= 14/5 = 2.8 = C
B+C+C+D+E= 13/5 = 2.6 = C
B+C+C+E+E= 12/5 = 2.4 = D
:::::::::::::::::::::
B+C+D+D+D= 13/5 = 2.6 = C
B+C+D+D+E= 12/5 = 2.4 = D
B+C+D+E+E= 11/5 = 2.2 = D
:::::::::::::::::::::
B+C+E+E+E= 10/5 = 2 = D
:::::::::::::::::::::
:::::::::::::::::::::
B+D+D+D+D= 12/5 = 2.4 = D
B+D+D+D+E= 11/5 = 2.2 = D
B+D+D+E+E= 10/5 = 2 = D
:::::::::::::::::::::
B+D+E+E+E= 9/5 = 1.8 = D
:::::::::::::::::::::
:::::::::::::::::::::
B+E+E+E+E = 8/5 = 1.6 = D
:::::::::::::::::::::
:::::::::::::::::::::
:::::::::::::::::::::[/spoiler]
Highest Grade used in Fusion is C rank:
[spoiler]C+C+C+C+C = 15/5 = 3 = C
C+C+C+C+D = 14/5 = 2.8 = C
C+C+C+C+E = 13/5 = 2.6 = C
C+C+C+D+D= 13/5 = 2.6 = C
C+C+C+D+E= 12/5 = 2.4 = D
C+C+C+E+E= 11/5 = 2.2 = D
:::::::::::::::::::::
C+C+D+D+D= 12/5 = 2.4 = D
C+C+D+D+E= 11/5 = 2.2 = D
C+C+D+E+E= 10/5 = 2 = D
:::::::::::::::::::::
C+C+E+E+E= 9/5 = 1.8 = D
:::::::::::::::::::::
:::::::::::::::::::::
C+D+D+D+D= 11/5 = 2.2 = D
C+D+D+D+E= 10/5 = 2 = D
C+D+D+E+E= 9/5 = 1.8 = D
:::::::::::::::::::::
C+D+E+E+E= 8/5 = 1.6 = D
:::::::::::::::::::::
:::::::::::::::::::::
C+E+E+E+E= 7/5 = 1.4 = E
:::::::::::::::::::::
:::::::::::::::::::::
:::::::::::::::::::::[/spoiler]
Highest Grade used in Fusion is D rank:
[spoiler]D+D+D+D+D= 10/5 = 2 = D
D+D+D+D+E= 9/5 = 1.8 = D
D+D+D+E+E= 8/5 = 1.6 = D
:::::::::::::::::::::
D+D+E+E+E= 7/5 = 1.4 = E
:::::::::::::::::::::
:::::::::::::::::::::
D+E+E+E+E= 6/5 = 1.2 = E
:::::::::::::::::::::
:::::::::::::::::::::
:::::::::::::::::::::[/spoiler]
Highest Grade used in Fusion is E rank:
[spoiler]E+E+E+E+E= 5/5 = 1 = E
…What did you expect? :P [/spoiler]
Yay it is done! All 252 Combos for fusing 5 Arkadions are within the spoilers above me! Good luck, and have fun fusing your OM Arkadions!