Talk:Ash (Warframe)/@comment-108.27.220.118-20130501004041/@comment-8098141-20130501143109

And if you would read his reply more carefully, he said that Ability Mods drop from anywhere and if you read the mods section of the wiki carefully, you would see that ability mods drop from Infested. http://warframe.wikia.com/wiki/Mods#Obtaining_mods