'''Thermal Cannons''' are a [[Titan]]-class weapon of the [[Imperium]] carried by [[Imperial Knights]], specifically the [[Knight Errant]]{{Fn|1}} and [[Knight Crusader]].{{Fn|4b}}  This powerful [[Melta Weapon]] is capable of easily vaporizing both steel and flesh, melting through thick fortress walls or turning a [[Battle Tank]] into a pile of molten slag.{{Fn|1}}{{Fn|4a}}