Here is a custom build of the new Covenant mech recently added to Halo 5. It uses a number of sources for parts, including an Ironman 2 set for the feet and cockpit, a Mantis set for the arms and legs, and part of the Scarab head and a Vampire canopy for the needler weapon. Features a grunt driver, and like all my builds, it is 100% Mega Bloks.