I like is a lot!
It sure does have a true Bionicle look to it. You managed to capture the charm of G1 and G2 in one MOC. Noice!
One bit of constructive criticism would be to add some more trans green and dark red to the legs, and give it spiked toes. I'd recommend either the Exo Force robot arms, along with some little spike parts, similar to the tan ones on the knees.
Otherwise, I wouldn't change much else.
Again, good job!