Once decimated when its climate systems failed and glaciers consumed its hives, Laskin was rediscovered and resettled in M41 under the charter of Rogue Trader Sepedeus von Ulm. The planet’s 30-year orbit brings alternating mild decades and lethal Killwinters.
The Imperial Guard Ice-Wardens regiments, armed with bayonet-flamers and relic furnaces, excel in trench sieges and frozen attrition campaigns.
Ignis Aeternus WH 40K campaign notes 