Invaders

Invaders
Number	?
Founding	unknow
Successors of	Imperial Fist
Successor Chapters	none
Chapter Master	The current one's dead
Primarch	Rogal Dorn
Homeworld	Ogrys (ruined); now Fleet-based Chapter
Strength	Currently 12 Marines
Specialty	Fighting Eldar, Not giving a fuck about casualties
Allegiance	Imperium
Colours	Light Green with gold

The Invaders are a Space Marine background chapter that has picked up notice as Matt Ward likes to add them in his codexes. They have the luck of Lamenters whith the grit of Crimson Fists, often heading right into the next battle despite having little to no time to replace their losses.

Their biggest accomplishment was destroying Craftworld Idharae. How the hell they did that? Nobody knows (it would seem they simply damaged it beyond repair). It also seems that they took an insanely high number of casualties that they still didn't recover from in 43 years (but then again, the Iron Hands STILL haven't recovered from Istvaan V, and it's been 10 fucking thousand years), when Alaitoc showed up with Idharea's survivors at their home world. Only three hundread made it out and they were forced to become fleet base.

17 years later they lost two full Terminator Squads trying to teleport them down to the Necron World Engine. It's not clear whether they sent both squads at the same time or the second after seeing the first failing.

One year later, the try to liberate a planet that Ahriman took over only to set off a trap that Ahriman made, which resulted in the planet being ripped apart by warp fire. By the time the Grey Knights show up the fix the mess, only 12 of the 300 marines they sent were still alive.

Currently they're fighting Hive Fleet Leviathan thanks to Craftworld Iyanden.