I do like these retro models. Very nostalgic reminds of those early days of Warhammer 40K, which shows how old I am, because I do remember those days. I bought Rogue Trader when it came out.
The Glaive Super-heavy Special Weapons Tank is a variant of the Fellblade. Armed with a Volkite Carronade, it is designed to destroy xenos beasts and incinerate enemy light vehicles at a single sweep.
While the Glaive has been issued to all eighteen Legiones Astartes in limited quantities, the Salamanders and Dark Angels have long been noted to field Glaives as a matter of course; the XVIIIth Legion’s artifice is more than sufficient to maintain and replicate the arcane Volkite technology, while the provenance and honour of the Ist Legion means that their war matériel and weaponry are ancient indeed.