Firethorn Mech...With Working Flame Thrower!

Disclaimer: Do not attempt this, you or your bricks could get seriously burned, seriously. 

Prepare to have your mind blown LEGO fans. Siercon and Coral have unleashed a slew of MOCs in the last day. But this one, holy cow, a mech with a working flame thrower! Watch the video to see it in action.  And check out their photostream for all the amazing last minute MOCs for Iron Builder. These two are machines!

The Firethorn (Working Flame Thrower Mech)