Board Thread:Warhammer 40k General Discussion/@comment-98.81.158.208-20140211041148/@comment-81.111.184.248-20140331001905

its quite possible that one of the unknown legions fell to chaos unwillingly & the other was brought in to pacify them. the first wiped out the second and was inturn wiped out by the space wolves. i remeber a line from one of the horus heresy novels where horus goes back intime to tera and tap's on the 11th primarchs tube. reflecting on the potential it had

it is also possible as cool said that they allied with aliens. but considering how human kind was stil "fresh" from the horus from the age of strife, i doubt they would ally with them