XT4

LEGO 6229 XT4 is a HERO Factory Breakout set released in 2012, containing 39 pieces. It builds the four-armed XT4 villain from the planet Mechna, featuring a cyborg eye, razor disc slicers, dual striking blades, and a laser slicer. The constraction build includes articulated limbs for posing. It can also combine with 6221 NEX to create an alternate model. Retired December 2012.

Description via Its a Block Party