When you need the final word in both durability and killing power, however, you may want to trade up for the indomitable Acastus Knight Asterius.

The mighty Acastus Knights approach the size and power of full-scale Titans, and the Asterius combines that impressive provenance with some of the Mechanicum’s most destructive weapons. The massive conversion beam cannons it carries on each arm grow in power as the beam travels towards its target, causing some truly epic damage at maximum range.