Hey heres some challenges:
Make a lvl 120 trojans armor look like the matrix robe..
And if u r rlly up to the challenge modify 130 weapons .. club / blade into TMPs.
And if you can Change fastblade into a line of bullets..
Also a lvl 70 bow into a sub-machine gun
These are very hard though almost impossible...
if you can do all that your the best modifier i know..