How about add some effects?
Emmm...I think it seems not bad,but I'm not sure my thruster effect is allright....they're similar with beam effect?XD
& how to find a big solution right backgroud is another problem....
My 2nd original mech model maybe started thesedays...& with the base I consider it will cost me fewer days..XD
My 1st arms given to him is such things like sword-sheild system...Now it's beam sword form...Of course it is with beam-sheild generator(the red "8" shape and such things around...)...and the front heated scissor-like parts can open and make more colorful combat move...and it can also open the back-side parts to make short range shooting attacks.That's it!